diff --git a/songs/Aaron/U_turn_lili.sg b/songs/aaron/U_turn_lili.sg similarity index 100% rename from songs/Aaron/U_turn_lili.sg rename to songs/aaron/U_turn_lili.sg diff --git a/songs/Aaron/aaron.jpg b/songs/aaron/aaron.jpg similarity index 100% rename from songs/Aaron/aaron.jpg rename to songs/aaron/aaron.jpg diff --git a/songs/Alain_Bashung/Gaby_oh_gaby.sg b/songs/alain_bashung/Gaby_oh_gaby.sg similarity index 100% rename from songs/Alain_Bashung/Gaby_oh_gaby.sg rename to songs/alain_bashung/Gaby_oh_gaby.sg diff --git a/songs/Alain_Bashung/roulette-russe.jpg b/songs/alain_bashung/roulette-russe.jpg similarity index 100% rename from songs/Alain_Bashung/roulette-russe.jpg rename to songs/alain_bashung/roulette-russe.jpg diff --git a/songs/Alain_Souchon/Bidon.sg b/songs/alain_souchon/Bidon.sg similarity index 100% rename from songs/Alain_Souchon/Bidon.sg rename to songs/alain_souchon/Bidon.sg diff --git a/songs/Alain_Souchon/Foule_sentimentale.sg b/songs/alain_souchon/Foule_sentimentale.sg similarity index 100% rename from songs/Alain_Souchon/Foule_sentimentale.sg rename to songs/alain_souchon/Foule_sentimentale.sg diff --git a/songs/Alain_Souchon/L_amour_a_la_machine.sg b/songs/alain_souchon/L_amour_a_la_machine.sg similarity index 100% rename from songs/Alain_Souchon/L_amour_a_la_machine.sg rename to songs/alain_souchon/L_amour_a_la_machine.sg diff --git a/songs/Alain_Souchon/La_ballade_de_Jim.sg b/songs/alain_souchon/La_ballade_de_Jim.sg similarity index 100% rename from songs/Alain_Souchon/La_ballade_de_Jim.sg rename to songs/alain_souchon/La_ballade_de_Jim.sg diff --git a/songs/Alain_Souchon/Sous_les_jupes_des_filles.sg b/songs/alain_souchon/Sous_les_jupes_des_filles.sg similarity index 100% rename from songs/Alain_Souchon/Sous_les_jupes_des_filles.sg rename to songs/alain_souchon/Sous_les_jupes_des_filles.sg diff --git a/songs/Alain_Souchon/bidon.jpg b/songs/alain_souchon/bidon.jpg similarity index 100% rename from songs/Alain_Souchon/bidon.jpg rename to songs/alain_souchon/bidon.jpg diff --git a/songs/Alain_Souchon/c-est-deja-ca.jpg b/songs/alain_souchon/c-est-deja-ca.jpg similarity index 100% rename from songs/Alain_Souchon/c-est-deja-ca.jpg rename to songs/alain_souchon/c-est-deja-ca.jpg diff --git a/songs/Alain_Souchon/comme-vous-voulez.jpg b/songs/alain_souchon/comme-vous-voulez.jpg similarity index 100% rename from songs/Alain_Souchon/comme-vous-voulez.jpg rename to songs/alain_souchon/comme-vous-voulez.jpg diff --git a/songs/Alanis_Morissette/Ironic.sg b/songs/alanis_morissette/Ironic.sg similarity index 100% rename from songs/Alanis_Morissette/Ironic.sg rename to songs/alanis_morissette/Ironic.sg diff --git a/songs/Alanis_Morissette/ironic.jpg b/songs/alanis_morissette/ironic.jpg similarity index 100% rename from songs/Alanis_Morissette/ironic.jpg rename to songs/alanis_morissette/ironic.jpg diff --git a/songs/Alex_Beaupain/As_tu_deja_aime.sg b/songs/alex_beaupain/As_tu_deja_aime.sg similarity index 100% rename from songs/Alex_Beaupain/As_tu_deja_aime.sg rename to songs/alex_beaupain/As_tu_deja_aime.sg diff --git a/songs/Alex_Beaupain/De_bonnes_raisons.sg b/songs/alex_beaupain/De_bonnes_raisons.sg similarity index 100% rename from songs/Alex_Beaupain/De_bonnes_raisons.sg rename to songs/alex_beaupain/De_bonnes_raisons.sg diff --git a/songs/Alex_Beaupain/Je_n_aime_que_toi.sg b/songs/alex_beaupain/Je_n_aime_que_toi.sg similarity index 100% rename from songs/Alex_Beaupain/Je_n_aime_que_toi.sg rename to songs/alex_beaupain/Je_n_aime_que_toi.sg diff --git a/songs/Alex_Beaupain/Les_yeux_au_ciel.sg b/songs/alex_beaupain/Les_yeux_au_ciel.sg similarity index 100% rename from songs/Alex_Beaupain/Les_yeux_au_ciel.sg rename to songs/alex_beaupain/Les_yeux_au_ciel.sg diff --git a/songs/Alex_Beaupain/Ma_memoire_sale.sg b/songs/alex_beaupain/Ma_memoire_sale.sg similarity index 100% rename from songs/Alex_Beaupain/Ma_memoire_sale.sg rename to songs/alex_beaupain/Ma_memoire_sale.sg diff --git a/songs/Alex_Beaupain/les-chansons-d-amour.jpg b/songs/alex_beaupain/les-chansons-d-amour.jpg similarity index 100% rename from songs/Alex_Beaupain/les-chansons-d-amour.jpg rename to songs/alex_beaupain/les-chansons-d-amour.jpg diff --git a/songs/Alexis_HK/Gaspard.sg b/songs/alexis_hk/Gaspard.sg similarity index 100% rename from songs/Alexis_HK/Gaspard.sg rename to songs/alexis_hk/Gaspard.sg diff --git a/songs/Alexis_HK/belle-ville.jpg b/songs/alexis_hk/belle-ville.jpg similarity index 100% rename from songs/Alexis_HK/belle-ville.jpg rename to songs/alexis_hk/belle-ville.jpg diff --git a/songs/Alicia_Keys/If_aint_got_you.jpg b/songs/alicia_keys/If_aint_got_you.jpg similarity index 100% rename from songs/Alicia_Keys/If_aint_got_you.jpg rename to songs/alicia_keys/If_aint_got_you.jpg diff --git a/songs/Alicia_Keys/If_aint_got_you.sg b/songs/alicia_keys/If_aint_got_you.sg similarity index 100% rename from songs/Alicia_Keys/If_aint_got_you.sg rename to songs/alicia_keys/If_aint_got_you.sg diff --git a/songs/America/A_Horse_With_No_Name.sg b/songs/america/A_Horse_With_No_Name.sg similarity index 100% rename from songs/America/A_Horse_With_No_Name.sg rename to songs/america/A_Horse_With_No_Name.sg diff --git a/songs/America/America.jpg b/songs/america/America.jpg similarity index 100% rename from songs/America/America.jpg rename to songs/america/America.jpg diff --git a/songs/Amy_MacDonald/Mr._Rock_n_Roll.sg b/songs/amy_macdonald/Mr._Rock_n_Roll.sg similarity index 100% rename from songs/Amy_MacDonald/Mr._Rock_n_Roll.sg rename to songs/amy_macdonald/Mr._Rock_n_Roll.sg diff --git a/songs/Amy_MacDonald/This_is_the_life.sg b/songs/amy_macdonald/This_is_the_life.sg similarity index 100% rename from songs/Amy_MacDonald/This_is_the_life.sg rename to songs/amy_macdonald/This_is_the_life.sg diff --git a/songs/Amy_MacDonald/this-is-the-life.jpg b/songs/amy_macdonald/this-is-the-life.jpg similarity index 100% rename from songs/Amy_MacDonald/this-is-the-life.jpg rename to songs/amy_macdonald/this-is-the-life.jpg diff --git a/songs/Anais/Mon_coeur_mon_amour.sg b/songs/anais/Mon_coeur_mon_amour.sg similarity index 100% rename from songs/Anais/Mon_coeur_mon_amour.sg rename to songs/anais/Mon_coeur_mon_amour.sg diff --git a/songs/Anais/the-cheap-show.jpg b/songs/anais/the-cheap-show.jpg similarity index 100% rename from songs/Anais/the-cheap-show.jpg rename to songs/anais/the-cheap-show.jpg diff --git a/songs/Anis/Dans_tes_yeux.sg b/songs/anis/Dans_tes_yeux.sg similarity index 100% rename from songs/Anis/Dans_tes_yeux.sg rename to songs/anis/Dans_tes_yeux.sg diff --git a/songs/Anis/rodeo-boulevard.jpg b/songs/anis/rodeo-boulevard.jpg similarity index 100% rename from songs/Anis/rodeo-boulevard.jpg rename to songs/anis/rodeo-boulevard.jpg diff --git a/songs/Anny_Et_Jean-Marc_Versini/La_danse_des_esquimaux.sg b/songs/anny_et_jean-marc_versini/La_danse_des_esquimaux.sg similarity index 100% rename from songs/Anny_Et_Jean-Marc_Versini/La_danse_des_esquimaux.sg rename to songs/anny_et_jean-marc_versini/La_danse_des_esquimaux.sg diff --git a/songs/Anny_Et_Jean-Marc_Versini/les-chansons-de-la-marmotte.jpg b/songs/anny_et_jean-marc_versini/les-chansons-de-la-marmotte.jpg similarity index 100% rename from songs/Anny_Et_Jean-Marc_Versini/les-chansons-de-la-marmotte.jpg rename to songs/anny_et_jean-marc_versini/les-chansons-de-la-marmotte.jpg diff --git a/songs/Antsy_Pants/Vampire.sg b/songs/antsy_pants/Vampire.sg similarity index 100% rename from songs/Antsy_Pants/Vampire.sg rename to songs/antsy_pants/Vampire.sg diff --git a/songs/Antsy_Pants/juno.jpg b/songs/antsy_pants/juno.jpg similarity index 100% rename from songs/Antsy_Pants/juno.jpg rename to songs/antsy_pants/juno.jpg diff --git a/songs/As_De_Trefle/A_l_oreille_de_ta_femme.sg b/songs/as_de_trefle/A_l_oreille_de_ta_femme.sg similarity index 100% rename from songs/As_De_Trefle/A_l_oreille_de_ta_femme.sg rename to songs/as_de_trefle/A_l_oreille_de_ta_femme.sg diff --git a/songs/As_De_Trefle/Chanson_d_amur.sg b/songs/as_de_trefle/Chanson_d_amur.sg similarity index 100% rename from songs/As_De_Trefle/Chanson_d_amur.sg rename to songs/as_de_trefle/Chanson_d_amur.sg diff --git a/songs/As_De_Trefle/Jessica.sg b/songs/as_de_trefle/Jessica.sg similarity index 100% rename from songs/As_De_Trefle/Jessica.sg rename to songs/as_de_trefle/Jessica.sg diff --git a/songs/As_De_Trefle/La_revolution.sg b/songs/as_de_trefle/La_revolution.sg similarity index 100% rename from songs/As_De_Trefle/La_revolution.sg rename to songs/as_de_trefle/La_revolution.sg diff --git a/songs/As_De_Trefle/Pauvre_planete.sg b/songs/as_de_trefle/Pauvre_planete.sg similarity index 100% rename from songs/As_De_Trefle/Pauvre_planete.sg rename to songs/as_de_trefle/Pauvre_planete.sg diff --git a/songs/As_De_Trefle/Toi_toi_toi.sg b/songs/as_de_trefle/Toi_toi_toi.sg similarity index 100% rename from songs/As_De_Trefle/Toi_toi_toi.sg rename to songs/as_de_trefle/Toi_toi_toi.sg diff --git a/songs/As_De_Trefle/haut-les-nains.jpg b/songs/as_de_trefle/haut-les-nains.jpg similarity index 100% rename from songs/As_De_Trefle/haut-les-nains.jpg rename to songs/as_de_trefle/haut-les-nains.jpg diff --git a/songs/As_De_Trefle/houlala.jpg b/songs/as_de_trefle/houlala.jpg similarity index 100% rename from songs/As_De_Trefle/houlala.jpg rename to songs/as_de_trefle/houlala.jpg diff --git a/songs/As_De_Trefle/merci-bonsoir.jpg b/songs/as_de_trefle/merci-bonsoir.jpg similarity index 100% rename from songs/As_De_Trefle/merci-bonsoir.jpg rename to songs/as_de_trefle/merci-bonsoir.jpg diff --git a/songs/As_De_Trefle/sans-les-mains.jpg b/songs/as_de_trefle/sans-les-mains.jpg similarity index 100% rename from songs/As_De_Trefle/sans-les-mains.jpg rename to songs/as_de_trefle/sans-les-mains.jpg diff --git a/songs/Avenue_Q/The_internet_is_for_porn.sg b/songs/avenue_q/The_internet_is_for_porn.sg similarity index 100% rename from songs/Avenue_Q/The_internet_is_for_porn.sg rename to songs/avenue_q/The_internet_is_for_porn.sg diff --git a/songs/Avenue_Q/avenue-q.jpg b/songs/avenue_q/avenue-q.jpg similarity index 100% rename from songs/Avenue_Q/avenue-q.jpg rename to songs/avenue_q/avenue-q.jpg diff --git a/songs/Avril_Lavigne/Things_I_ll_never_say.sg b/songs/avril_lavigne/Things_I_ll_never_say.sg similarity index 100% rename from songs/Avril_Lavigne/Things_I_ll_never_say.sg rename to songs/avril_lavigne/Things_I_ll_never_say.sg diff --git a/songs/Avril_Lavigne/let-go.jpg b/songs/avril_lavigne/let-go.jpg similarity index 100% rename from songs/Avril_Lavigne/let-go.jpg rename to songs/avril_lavigne/let-go.jpg diff --git a/songs/Barbara/L_aigle_noir.sg b/songs/barbara/L_aigle_noir.sg similarity index 100% rename from songs/Barbara/L_aigle_noir.sg rename to songs/barbara/L_aigle_noir.sg diff --git a/songs/Barbara/l-aigle-noir.jpg b/songs/barbara/l-aigle-noir.jpg similarity index 100% rename from songs/Barbara/l-aigle-noir.jpg rename to songs/barbara/l-aigle-noir.jpg diff --git a/songs/Barry_Louis_Polisar/All_I_Want_Is_You.sg b/songs/barry_louis_polisar/All_I_Want_Is_You.sg similarity index 100% rename from songs/Barry_Louis_Polisar/All_I_Want_Is_You.sg rename to songs/barry_louis_polisar/All_I_Want_Is_You.sg diff --git a/songs/Barry_Louis_Polisar/juno.jpg b/songs/barry_louis_polisar/juno.jpg similarity index 100% rename from songs/Barry_Louis_Polisar/juno.jpg rename to songs/barry_louis_polisar/juno.jpg diff --git a/songs/Beau_Dommage/La_complainte_du_phoque_en_alaska.sg b/songs/beau_dommage/La_complainte_du_phoque_en_alaska.sg similarity index 100% rename from songs/Beau_Dommage/La_complainte_du_phoque_en_alaska.sg rename to songs/beau_dommage/La_complainte_du_phoque_en_alaska.sg diff --git a/songs/Beau_Dommage/le-meilleur-de-beau-dommage.jpg b/songs/beau_dommage/le-meilleur-de-beau-dommage.jpg similarity index 100% rename from songs/Beau_Dommage/le-meilleur-de-beau-dommage.jpg rename to songs/beau_dommage/le-meilleur-de-beau-dommage.jpg diff --git a/songs/Belle_Sebastian/Piazza_New_York_catcher.sg b/songs/belle_sebastian/Piazza_New_York_catcher.sg similarity index 100% rename from songs/Belle_Sebastian/Piazza_New_York_catcher.sg rename to songs/belle_sebastian/Piazza_New_York_catcher.sg diff --git a/songs/Belle_Sebastian/juno.jpg b/songs/belle_sebastian/juno.jpg similarity index 100% rename from songs/Belle_Sebastian/juno.jpg rename to songs/belle_sebastian/juno.jpg diff --git a/songs/Belyscendre/Helas_madame.sg b/songs/belyscendre/Helas_madame.sg similarity index 100% rename from songs/Belyscendre/Helas_madame.sg rename to songs/belyscendre/Helas_madame.sg diff --git a/songs/Belyscendre/Mon_pere_veut_me_marier.sg b/songs/belyscendre/Mon_pere_veut_me_marier.sg similarity index 100% rename from songs/Belyscendre/Mon_pere_veut_me_marier.sg rename to songs/belyscendre/Mon_pere_veut_me_marier.sg diff --git a/songs/Belyscendre/Prends_garde_au_loup.sg b/songs/belyscendre/Prends_garde_au_loup.sg similarity index 100% rename from songs/Belyscendre/Prends_garde_au_loup.sg rename to songs/belyscendre/Prends_garde_au_loup.sg diff --git a/songs/Belyscendre/belles-embarquez.jpg b/songs/belyscendre/belles-embarquez.jpg similarity index 100% rename from songs/Belyscendre/belles-embarquez.jpg rename to songs/belyscendre/belles-embarquez.jpg diff --git a/songs/Belyscendre/prends-garde-au-loup.jpg b/songs/belyscendre/prends-garde-au-loup.jpg similarity index 100% rename from songs/Belyscendre/prends-garde-au-loup.jpg rename to songs/belyscendre/prends-garde-au-loup.jpg diff --git a/songs/Ben_E_King/Stand_by_me.sg b/songs/ben_e_king/Stand_by_me.sg similarity index 100% rename from songs/Ben_E_King/Stand_by_me.sg rename to songs/ben_e_king/Stand_by_me.sg diff --git a/songs/Ben_E_King/ben-e-king-best-of.jpg b/songs/ben_e_king/ben-e-king-best-of.jpg similarity index 100% rename from songs/Ben_E_King/ben-e-king-best-of.jpg rename to songs/ben_e_king/ben-e-king-best-of.jpg diff --git a/songs/Ben_Harper/Waiting_on_an_angel.sg b/songs/ben_harper/Waiting_on_an_angel.sg similarity index 100% rename from songs/Ben_Harper/Waiting_on_an_angel.sg rename to songs/ben_harper/Waiting_on_an_angel.sg diff --git a/songs/Ben_Harper/Widow_of_a_living_man.sg b/songs/ben_harper/Widow_of_a_living_man.sg similarity index 100% rename from songs/Ben_Harper/Widow_of_a_living_man.sg rename to songs/ben_harper/Widow_of_a_living_man.sg diff --git a/songs/Ben_Harper/the-will-to-live.jpg b/songs/ben_harper/the-will-to-live.jpg similarity index 100% rename from songs/Ben_Harper/the-will-to-live.jpg rename to songs/ben_harper/the-will-to-live.jpg diff --git a/songs/Ben_Harper/welcome-to-the-cruel-world.jpg b/songs/ben_harper/welcome-to-the-cruel-world.jpg similarity index 100% rename from songs/Ben_Harper/welcome-to-the-cruel-world.jpg rename to songs/ben_harper/welcome-to-the-cruel-world.jpg diff --git a/songs/Benabar/Le_diner.sg b/songs/benabar/Le_diner.sg similarity index 100% rename from songs/Benabar/Le_diner.sg rename to songs/benabar/Le_diner.sg diff --git a/songs/Benabar/Quatre_murs_et_un_toit.sg b/songs/benabar/Quatre_murs_et_un_toit.sg similarity index 100% rename from songs/Benabar/Quatre_murs_et_un_toit.sg rename to songs/benabar/Quatre_murs_et_un_toit.sg diff --git a/songs/Benabar/Y_a_une_fille_qu_habite_chez_moi.sg b/songs/benabar/Y_a_une_fille_qu_habite_chez_moi.sg similarity index 100% rename from songs/Benabar/Y_a_une_fille_qu_habite_chez_moi.sg rename to songs/benabar/Y_a_une_fille_qu_habite_chez_moi.sg diff --git a/songs/Benabar/benabar.jpg b/songs/benabar/benabar.jpg similarity index 100% rename from songs/Benabar/benabar.jpg rename to songs/benabar/benabar.jpg diff --git a/songs/Benabar/reprise-des-negociations.jpg b/songs/benabar/reprise-des-negociations.jpg similarity index 100% rename from songs/Benabar/reprise-des-negociations.jpg rename to songs/benabar/reprise-des-negociations.jpg diff --git a/songs/Bill_Withers/Just_two_of_us.sg b/songs/bill_withers/Just_two_of_us.sg similarity index 100% rename from songs/Bill_Withers/Just_two_of_us.sg rename to songs/bill_withers/Just_two_of_us.sg diff --git a/songs/Bill_Withers/greatest-hits.jpg b/songs/bill_withers/greatest-hits.jpg similarity index 100% rename from songs/Bill_Withers/greatest-hits.jpg rename to songs/bill_withers/greatest-hits.jpg diff --git a/songs/Bloodhound_Gang/Fire_water_burn.sg b/songs/bloodhound_gang/Fire_water_burn.sg similarity index 100% rename from songs/Bloodhound_Gang/Fire_water_burn.sg rename to songs/bloodhound_gang/Fire_water_burn.sg diff --git a/songs/Bloodhound_Gang/one-fierce-beer-coaster.jpg b/songs/bloodhound_gang/one-fierce-beer-coaster.jpg similarity index 100% rename from songs/Bloodhound_Gang/one-fierce-beer-coaster.jpg rename to songs/bloodhound_gang/one-fierce-beer-coaster.jpg diff --git a/songs/Bob_Dylan/Ballad_of_Hollis_Brown.sg b/songs/bob_dylan/Ballad_of_Hollis_Brown.sg similarity index 100% rename from songs/Bob_Dylan/Ballad_of_Hollis_Brown.sg rename to songs/bob_dylan/Ballad_of_Hollis_Brown.sg diff --git a/songs/Bob_Dylan/Blowin_in_the_wind.sg b/songs/bob_dylan/Blowin_in_the_wind.sg similarity index 100% rename from songs/Bob_Dylan/Blowin_in_the_wind.sg rename to songs/bob_dylan/Blowin_in_the_wind.sg diff --git a/songs/Bob_Dylan/Don_t_think_twice_it_s_all_right.sg b/songs/bob_dylan/Don_t_think_twice_it_s_all_right.sg similarity index 100% rename from songs/Bob_Dylan/Don_t_think_twice_it_s_all_right.sg rename to songs/bob_dylan/Don_t_think_twice_it_s_all_right.sg diff --git a/songs/Bob_Dylan/Hurricane.sg b/songs/bob_dylan/Hurricane.sg similarity index 100% rename from songs/Bob_Dylan/Hurricane.sg rename to songs/bob_dylan/Hurricane.sg diff --git a/songs/Bob_Dylan/Knocking_on_heavens_door.sg b/songs/bob_dylan/Knocking_on_heavens_door.sg similarity index 100% rename from songs/Bob_Dylan/Knocking_on_heavens_door.sg rename to songs/bob_dylan/Knocking_on_heavens_door.sg diff --git a/songs/Bob_Dylan/Mr_tambourine_man.sg b/songs/bob_dylan/Mr_tambourine_man.sg similarity index 100% rename from songs/Bob_Dylan/Mr_tambourine_man.sg rename to songs/bob_dylan/Mr_tambourine_man.sg diff --git a/songs/Bob_Dylan/One_more_cup_of_coffee.sg b/songs/bob_dylan/One_more_cup_of_coffee.sg similarity index 100% rename from songs/Bob_Dylan/One_more_cup_of_coffee.sg rename to songs/bob_dylan/One_more_cup_of_coffee.sg diff --git a/songs/Bob_Dylan/The_times_they_are_a-changin.sg b/songs/bob_dylan/The_times_they_are_a-changin.sg similarity index 100% rename from songs/Bob_Dylan/The_times_they_are_a-changin.sg rename to songs/bob_dylan/The_times_they_are_a-changin.sg diff --git a/songs/Bob_Dylan/blonde-on-blonde.jpg b/songs/bob_dylan/blonde-on-blonde.jpg similarity index 100% rename from songs/Bob_Dylan/blonde-on-blonde.jpg rename to songs/bob_dylan/blonde-on-blonde.jpg diff --git a/songs/Bob_Dylan/desire.jpg b/songs/bob_dylan/desire.jpg similarity index 100% rename from songs/Bob_Dylan/desire.jpg rename to songs/bob_dylan/desire.jpg diff --git a/songs/Bob_Dylan/i_want_you.sg b/songs/bob_dylan/i_want_you.sg similarity index 100% rename from songs/Bob_Dylan/i_want_you.sg rename to songs/bob_dylan/i_want_you.sg diff --git a/songs/Bob_Dylan/mtv-unplugged.jpg b/songs/bob_dylan/mtv-unplugged.jpg similarity index 100% rename from songs/Bob_Dylan/mtv-unplugged.jpg rename to songs/bob_dylan/mtv-unplugged.jpg diff --git a/songs/Bob_Dylan/the-freewheelin.jpg b/songs/bob_dylan/the-freewheelin.jpg similarity index 100% rename from songs/Bob_Dylan/the-freewheelin.jpg rename to songs/bob_dylan/the-freewheelin.jpg diff --git a/songs/Bob_Dylan/the-times-they-are-a-changin.jpg b/songs/bob_dylan/the-times-they-are-a-changin.jpg similarity index 100% rename from songs/Bob_Dylan/the-times-they-are-a-changin.jpg rename to songs/bob_dylan/the-times-they-are-a-changin.jpg diff --git a/songs/Bob_Marley/No_woman_no_cry.sg b/songs/bob_marley/No_woman_no_cry.sg similarity index 100% rename from songs/Bob_Marley/No_woman_no_cry.sg rename to songs/bob_marley/No_woman_no_cry.sg diff --git a/songs/Bob_Marley/Redemption_song.sg b/songs/bob_marley/Redemption_song.sg similarity index 100% rename from songs/Bob_Marley/Redemption_song.sg rename to songs/bob_marley/Redemption_song.sg diff --git a/songs/Bob_Marley/legend.jpg b/songs/bob_marley/legend.jpg similarity index 100% rename from songs/Bob_Marley/legend.jpg rename to songs/bob_marley/legend.jpg diff --git a/songs/Bobby_McFerrin/Don_t_worry_be_happy.sg b/songs/bobby_mcferrin/Don_t_worry_be_happy.sg similarity index 100% rename from songs/Bobby_McFerrin/Don_t_worry_be_happy.sg rename to songs/bobby_mcferrin/Don_t_worry_be_happy.sg diff --git a/songs/Bobby_McFerrin/dont-worry-be-happy.jpg b/songs/bobby_mcferrin/dont-worry-be-happy.jpg similarity index 100% rename from songs/Bobby_McFerrin/dont-worry-be-happy.jpg rename to songs/bobby_mcferrin/dont-worry-be-happy.jpg diff --git a/songs/Boby_Lapointe/Aragon_et_Castille.sg b/songs/boby_lapointe/Aragon_et_Castille.sg similarity index 100% rename from songs/Boby_Lapointe/Aragon_et_Castille.sg rename to songs/boby_lapointe/Aragon_et_Castille.sg diff --git a/songs/Boby_Lapointe/Framboise.sg b/songs/boby_lapointe/Framboise.sg similarity index 100% rename from songs/Boby_Lapointe/Framboise.sg rename to songs/boby_lapointe/Framboise.sg diff --git a/songs/Boby_Lapointe/La_maman_des_poissons.sg b/songs/boby_lapointe/La_maman_des_poissons.sg similarity index 100% rename from songs/Boby_Lapointe/La_maman_des_poissons.sg rename to songs/boby_lapointe/La_maman_des_poissons.sg diff --git a/songs/Boby_Lapointe/Meli-Melodie.sg b/songs/boby_lapointe/Meli-Melodie.sg similarity index 100% rename from songs/Boby_Lapointe/Meli-Melodie.sg rename to songs/boby_lapointe/Meli-Melodie.sg diff --git a/songs/Boby_Lapointe/l-integrale.jpg b/songs/boby_lapointe/l-integrale.jpg similarity index 100% rename from songs/Boby_Lapointe/l-integrale.jpg rename to songs/boby_lapointe/l-integrale.jpg diff --git a/songs/Britney_Spears/Baby_one_more_time.sg b/songs/britney_spears/Baby_one_more_time.sg similarity index 100% rename from songs/Britney_Spears/Baby_one_more_time.sg rename to songs/britney_spears/Baby_one_more_time.sg diff --git a/songs/Britney_Spears/baby-one-more-time.jpg b/songs/britney_spears/baby-one-more-time.jpg similarity index 100% rename from songs/Britney_Spears/baby-one-more-time.jpg rename to songs/britney_spears/baby-one-more-time.jpg diff --git a/songs/Bruce_Springsteen/Bring_em_home.sg b/songs/bruce_springsteen/Bring_em_home.sg similarity index 100% rename from songs/Bruce_Springsteen/Bring_em_home.sg rename to songs/bruce_springsteen/Bring_em_home.sg diff --git a/songs/Bruce_Springsteen/Buffalo_gals.sg b/songs/bruce_springsteen/Buffalo_gals.sg similarity index 100% rename from songs/Bruce_Springsteen/Buffalo_gals.sg rename to songs/bruce_springsteen/Buffalo_gals.sg diff --git a/songs/Bruce_Springsteen/John_Henry.sg b/songs/bruce_springsteen/John_Henry.sg similarity index 100% rename from songs/Bruce_Springsteen/John_Henry.sg rename to songs/bruce_springsteen/John_Henry.sg diff --git a/songs/Bruce_Springsteen/Mrs_McGrath.sg b/songs/bruce_springsteen/Mrs_McGrath.sg similarity index 100% rename from songs/Bruce_Springsteen/Mrs_McGrath.sg rename to songs/bruce_springsteen/Mrs_McGrath.sg diff --git a/songs/Bruce_Springsteen/O_Mary_don_t_you_weep.sg b/songs/bruce_springsteen/O_Mary_don_t_you_weep.sg similarity index 100% rename from songs/Bruce_Springsteen/O_Mary_don_t_you_weep.sg rename to songs/bruce_springsteen/O_Mary_don_t_you_weep.sg diff --git a/songs/Bruce_Springsteen/Old_Dan_Tucker.sg b/songs/bruce_springsteen/Old_Dan_Tucker.sg similarity index 100% rename from songs/Bruce_Springsteen/Old_Dan_Tucker.sg rename to songs/bruce_springsteen/Old_Dan_Tucker.sg diff --git a/songs/Bruce_Springsteen/Pay_me_my_money_down.sg b/songs/bruce_springsteen/Pay_me_my_money_down.sg similarity index 100% rename from songs/Bruce_Springsteen/Pay_me_my_money_down.sg rename to songs/bruce_springsteen/Pay_me_my_money_down.sg diff --git a/songs/Bruce_Springsteen/we-shall-overcome.jpg b/songs/bruce_springsteen/we-shall-overcome.jpg similarity index 100% rename from songs/Bruce_Springsteen/we-shall-overcome.jpg rename to songs/bruce_springsteen/we-shall-overcome.jpg diff --git a/songs/Buena_Vista_Social_Club/Chan_Chan.sg b/songs/buena_vista_social_club/Chan_Chan.sg similarity index 100% rename from songs/Buena_Vista_Social_Club/Chan_Chan.sg rename to songs/buena_vista_social_club/Chan_Chan.sg diff --git a/songs/Buena_Vista_Social_Club/chanchan.jpg b/songs/buena_vista_social_club/chanchan.jpg similarity index 100% rename from songs/Buena_Vista_Social_Club/chanchan.jpg rename to songs/buena_vista_social_club/chanchan.jpg diff --git a/songs/Calvin_Russell/5m2.sg b/songs/calvin_russell/5m2.sg similarity index 100% rename from songs/Calvin_Russell/5m2.sg rename to songs/calvin_russell/5m2.sg diff --git a/songs/Calvin_Russell/Baby_I_love_you.sg b/songs/calvin_russell/Baby_I_love_you.sg similarity index 100% rename from songs/Calvin_Russell/Baby_I_love_you.sg rename to songs/calvin_russell/Baby_I_love_you.sg diff --git a/songs/Calvin_Russell/Crossroad.sg b/songs/calvin_russell/Crossroad.sg similarity index 100% rename from songs/Calvin_Russell/Crossroad.sg rename to songs/calvin_russell/Crossroad.sg diff --git a/songs/Calvin_Russell/Down_down_down.sg b/songs/calvin_russell/Down_down_down.sg similarity index 100% rename from songs/Calvin_Russell/Down_down_down.sg rename to songs/calvin_russell/Down_down_down.sg diff --git a/songs/Calvin_Russell/Midnite_man.sg b/songs/calvin_russell/Midnite_man.sg similarity index 100% rename from songs/Calvin_Russell/Midnite_man.sg rename to songs/calvin_russell/Midnite_man.sg diff --git a/songs/Calvin_Russell/One_Meat_Ball.sg b/songs/calvin_russell/One_Meat_Ball.sg similarity index 100% rename from songs/Calvin_Russell/One_Meat_Ball.sg rename to songs/calvin_russell/One_Meat_Ball.sg diff --git a/songs/Calvin_Russell/dawg-eat-dawg.jpg b/songs/calvin_russell/dawg-eat-dawg.jpg similarity index 100% rename from songs/Calvin_Russell/dawg-eat-dawg.jpg rename to songs/calvin_russell/dawg-eat-dawg.jpg diff --git a/songs/Calvin_Russell/sounds_from_the_fourth_world.jpg b/songs/calvin_russell/sounds_from_the_fourth_world.jpg similarity index 100% rename from songs/Calvin_Russell/sounds_from_the_fourth_world.jpg rename to songs/calvin_russell/sounds_from_the_fourth_world.jpg diff --git a/songs/Calvin_Russell/unrepentant.jpg b/songs/calvin_russell/unrepentant.jpg similarity index 100% rename from songs/Calvin_Russell/unrepentant.jpg rename to songs/calvin_russell/unrepentant.jpg diff --git a/songs/Carter_Family/In_the_highways.sg b/songs/carter_family/In_the_highways.sg similarity index 100% rename from songs/Carter_Family/In_the_highways.sg rename to songs/carter_family/In_the_highways.sg diff --git a/songs/Carter_Family/Keep_on_the_sunny_side.sg b/songs/carter_family/Keep_on_the_sunny_side.sg similarity index 100% rename from songs/Carter_Family/Keep_on_the_sunny_side.sg rename to songs/carter_family/Keep_on_the_sunny_side.sg diff --git a/songs/Carter_Family/o-brother.jpg b/songs/carter_family/o-brother.jpg similarity index 100% rename from songs/Carter_Family/o-brother.jpg rename to songs/carter_family/o-brother.jpg diff --git a/songs/Cat_Stevens/Father_and_son.sg b/songs/cat_stevens/Father_and_son.sg similarity index 100% rename from songs/Cat_Stevens/Father_and_son.sg rename to songs/cat_stevens/Father_and_son.sg diff --git a/songs/Cat_Stevens/Here_comes_my_baby.sg b/songs/cat_stevens/Here_comes_my_baby.sg similarity index 100% rename from songs/Cat_Stevens/Here_comes_my_baby.sg rename to songs/cat_stevens/Here_comes_my_baby.sg diff --git a/songs/Cat_Stevens/My_Lady_d_Arbanville.sg b/songs/cat_stevens/My_Lady_d_Arbanville.sg similarity index 100% rename from songs/Cat_Stevens/My_Lady_d_Arbanville.sg rename to songs/cat_stevens/My_Lady_d_Arbanville.sg diff --git a/songs/Cat_Stevens/Sad_Lisa.sg b/songs/cat_stevens/Sad_Lisa.sg similarity index 100% rename from songs/Cat_Stevens/Sad_Lisa.sg rename to songs/cat_stevens/Sad_Lisa.sg diff --git a/songs/Cat_Stevens/The_wind.sg b/songs/cat_stevens/The_wind.sg similarity index 100% rename from songs/Cat_Stevens/The_wind.sg rename to songs/cat_stevens/The_wind.sg diff --git a/songs/Cat_Stevens/Wild_world.sg b/songs/cat_stevens/Wild_world.sg similarity index 100% rename from songs/Cat_Stevens/Wild_world.sg rename to songs/cat_stevens/Wild_world.sg diff --git a/songs/Cat_Stevens/matthew-and-son.jpg b/songs/cat_stevens/matthew-and-son.jpg similarity index 100% rename from songs/Cat_Stevens/matthew-and-son.jpg rename to songs/cat_stevens/matthew-and-son.jpg diff --git a/songs/Cat_Stevens/mona-bone-jakon.jpg b/songs/cat_stevens/mona-bone-jakon.jpg similarity index 100% rename from songs/Cat_Stevens/mona-bone-jakon.jpg rename to songs/cat_stevens/mona-bone-jakon.jpg diff --git a/songs/Cat_Stevens/tea-for-the-tillerman.jpg b/songs/cat_stevens/tea-for-the-tillerman.jpg similarity index 100% rename from songs/Cat_Stevens/tea-for-the-tillerman.jpg rename to songs/cat_stevens/tea-for-the-tillerman.jpg diff --git a/songs/Cat_Stevens/teaser-and-the-firecat.jpg b/songs/cat_stevens/teaser-and-the-firecat.jpg similarity index 100% rename from songs/Cat_Stevens/teaser-and-the-firecat.jpg rename to songs/cat_stevens/teaser-and-the-firecat.jpg diff --git a/songs/Catherine_Le_Forestier/La_petite_fugue.sg b/songs/catherine_le_forestier/La_petite_fugue.sg similarity index 100% rename from songs/Catherine_Le_Forestier/La_petite_fugue.sg rename to songs/catherine_le_forestier/La_petite_fugue.sg diff --git a/songs/Catherine_Le_Forestier/l-amour-avec-lui.jpg b/songs/catherine_le_forestier/l-amour-avec-lui.jpg similarity index 100% rename from songs/Catherine_Le_Forestier/l-amour-avec-lui.jpg rename to songs/catherine_le_forestier/l-amour-avec-lui.jpg diff --git a/songs/Cesaria_Evora/Petit_pays.sg b/songs/cesaria_evora/Petit_pays.sg similarity index 100% rename from songs/Cesaria_Evora/Petit_pays.sg rename to songs/cesaria_evora/Petit_pays.sg diff --git a/songs/Cesaria_Evora/cesaria.jpg b/songs/cesaria_evora/cesaria.jpg similarity index 100% rename from songs/Cesaria_Evora/cesaria.jpg rename to songs/cesaria_evora/cesaria.jpg diff --git a/songs/Charles_Aznavour/40-chansons-d-or.jpg b/songs/charles_aznavour/40-chansons-d-or.jpg similarity index 100% rename from songs/Charles_Aznavour/40-chansons-d-or.jpg rename to songs/charles_aznavour/40-chansons-d-or.jpg diff --git a/songs/Charles_Aznavour/Emmenez-moi.sg b/songs/charles_aznavour/Emmenez-moi.sg similarity index 100% rename from songs/Charles_Aznavour/Emmenez-moi.sg rename to songs/charles_aznavour/Emmenez-moi.sg diff --git a/songs/Charles_Aznavour/Les_comediens.sg b/songs/charles_aznavour/Les_comediens.sg similarity index 100% rename from songs/Charles_Aznavour/Les_comediens.sg rename to songs/charles_aznavour/Les_comediens.sg diff --git a/songs/Charles_Aznavour/Mes_emmerdes.sg b/songs/charles_aznavour/Mes_emmerdes.sg similarity index 100% rename from songs/Charles_Aznavour/Mes_emmerdes.sg rename to songs/charles_aznavour/Mes_emmerdes.sg diff --git a/songs/Christophe/Aline.sg b/songs/christophe/Aline.sg similarity index 100% rename from songs/Christophe/Aline.sg rename to songs/christophe/Aline.sg diff --git a/songs/Christophe/Les_mots_bleus.sg b/songs/christophe/Les_mots_bleus.sg similarity index 100% rename from songs/Christophe/Les_mots_bleus.sg rename to songs/christophe/Les_mots_bleus.sg diff --git a/songs/Christophe/aline.jpg b/songs/christophe/aline.jpg similarity index 100% rename from songs/Christophe/aline.jpg rename to songs/christophe/aline.jpg diff --git a/songs/Christophe/les-mots-bleus.jpg b/songs/christophe/les-mots-bleus.jpg similarity index 100% rename from songs/Christophe/les-mots-bleus.jpg rename to songs/christophe/les-mots-bleus.jpg diff --git a/songs/Claude_Nougaro/Armstrong.sg b/songs/claude_nougaro/Armstrong.sg similarity index 100% rename from songs/Claude_Nougaro/Armstrong.sg rename to songs/claude_nougaro/Armstrong.sg diff --git a/songs/Claude_Nougaro/toulouse.jpg b/songs/claude_nougaro/toulouse.jpg similarity index 100% rename from songs/Claude_Nougaro/toulouse.jpg rename to songs/claude_nougaro/toulouse.jpg diff --git a/songs/Coldplay/Paradise.sg b/songs/coldplay/Paradise.sg similarity index 100% rename from songs/Coldplay/Paradise.sg rename to songs/coldplay/Paradise.sg diff --git a/songs/Coldplay/mylo-xyloto.jpg b/songs/coldplay/mylo-xyloto.jpg similarity index 100% rename from songs/Coldplay/mylo-xyloto.jpg rename to songs/coldplay/mylo-xyloto.jpg diff --git a/songs/Cookie_Dingler/Femme_liberee.sg b/songs/cookie_dingler/Femme_liberee.sg similarity index 100% rename from songs/Cookie_Dingler/Femme_liberee.sg rename to songs/cookie_dingler/Femme_liberee.sg diff --git a/songs/Cookie_Dingler/femme-liberee.jpg b/songs/cookie_dingler/femme-liberee.jpg similarity index 100% rename from songs/Cookie_Dingler/femme-liberee.jpg rename to songs/cookie_dingler/femme-liberee.jpg diff --git a/songs/Cranberries/Animal_instinct.sg b/songs/cranberries/Animal_instinct.sg similarity index 100% rename from songs/Cranberries/Animal_instinct.sg rename to songs/cranberries/Animal_instinct.sg diff --git a/songs/Cranberries/Zombie.sg b/songs/cranberries/Zombie.sg similarity index 100% rename from songs/Cranberries/Zombie.sg rename to songs/cranberries/Zombie.sg diff --git a/songs/Cranberries/bury-the-hatchet.jpg b/songs/cranberries/bury-the-hatchet.jpg similarity index 100% rename from songs/Cranberries/bury-the-hatchet.jpg rename to songs/cranberries/bury-the-hatchet.jpg diff --git a/songs/Cranberries/no-need-to-argue.jpg b/songs/cranberries/no-need-to-argue.jpg similarity index 100% rename from songs/Cranberries/no-need-to-argue.jpg rename to songs/cranberries/no-need-to-argue.jpg diff --git a/songs/Crash_Test_Dummies/god-shuffled-his-feet.jpg b/songs/crash_test_dummies/god-shuffled-his-feet.jpg similarity index 100% rename from songs/Crash_Test_Dummies/god-shuffled-his-feet.jpg rename to songs/crash_test_dummies/god-shuffled-his-feet.jpg diff --git a/songs/Crash_Test_Dummies/mmm_mmm.sg b/songs/crash_test_dummies/mmm_mmm.sg similarity index 100% rename from songs/Crash_Test_Dummies/mmm_mmm.sg rename to songs/crash_test_dummies/mmm_mmm.sg diff --git a/songs/Crep/Bioman.sg b/songs/crep/Bioman.sg similarity index 100% rename from songs/Crep/Bioman.sg rename to songs/crep/Bioman.sg diff --git a/songs/Crep/Calimero.sg b/songs/crep/Calimero.sg similarity index 100% rename from songs/Crep/Calimero.sg rename to songs/crep/Calimero.sg diff --git a/songs/Crep/Encore.sg b/songs/crep/Encore.sg similarity index 100% rename from songs/Crep/Encore.sg rename to songs/crep/Encore.sg diff --git a/songs/Crep/Fichu_doctorat.sg b/songs/crep/Fichu_doctorat.sg similarity index 100% rename from songs/Crep/Fichu_doctorat.sg rename to songs/crep/Fichu_doctorat.sg diff --git a/songs/Crep/Kartopo.sg b/songs/crep/Kartopo.sg similarity index 100% rename from songs/Crep/Kartopo.sg rename to songs/crep/Kartopo.sg diff --git a/songs/Crep/Les_ptits_chemins.sg b/songs/crep/Les_ptits_chemins.sg similarity index 100% rename from songs/Crep/Les_ptits_chemins.sg rename to songs/crep/Les_ptits_chemins.sg diff --git a/songs/Crep/Melancolie.sg b/songs/crep/Melancolie.sg similarity index 100% rename from songs/Crep/Melancolie.sg rename to songs/crep/Melancolie.sg diff --git a/songs/Crep/Nostalgeek.sg b/songs/crep/Nostalgeek.sg similarity index 100% rename from songs/Crep/Nostalgeek.sg rename to songs/crep/Nostalgeek.sg diff --git a/songs/Crep/SNCeuFeu.sg b/songs/crep/SNCeuFeu.sg similarity index 100% rename from songs/Crep/SNCeuFeu.sg rename to songs/crep/SNCeuFeu.sg diff --git a/songs/Crep/Soiree_pepere.sg b/songs/crep/Soiree_pepere.sg similarity index 100% rename from songs/Crep/Soiree_pepere.sg rename to songs/crep/Soiree_pepere.sg diff --git a/songs/Crep/histoires-d-un-manchot.jpg b/songs/crep/histoires-d-un-manchot.jpg similarity index 100% rename from songs/Crep/histoires-d-un-manchot.jpg rename to songs/crep/histoires-d-un-manchot.jpg diff --git a/songs/Crep/iScream.sg b/songs/crep/iScream.sg similarity index 100% rename from songs/Crep/iScream.sg rename to songs/crep/iScream.sg diff --git a/songs/Crep/mon-voisin-le-manchot.jpg b/songs/crep/mon-voisin-le-manchot.jpg similarity index 100% rename from songs/Crep/mon-voisin-le-manchot.jpg rename to songs/crep/mon-voisin-le-manchot.jpg diff --git a/songs/Damien_Rice/Cannonball.sg b/songs/damien_rice/Cannonball.sg similarity index 100% rename from songs/Damien_Rice/Cannonball.sg rename to songs/damien_rice/Cannonball.sg diff --git a/songs/Damien_Rice/o.jpg b/songs/damien_rice/o.jpg similarity index 100% rename from songs/Damien_Rice/o.jpg rename to songs/damien_rice/o.jpg diff --git a/songs/Daniel_Balavoine/Vivre_ou_survivre.sg b/songs/daniel_balavoine/Vivre_ou_survivre.sg similarity index 100% rename from songs/Daniel_Balavoine/Vivre_ou_survivre.sg rename to songs/daniel_balavoine/Vivre_ou_survivre.sg diff --git a/songs/Daniel_Balavoine/vendeurs-de-larmes.jpg b/songs/daniel_balavoine/vendeurs-de-larmes.jpg similarity index 100% rename from songs/Daniel_Balavoine/vendeurs-de-larmes.jpg rename to songs/daniel_balavoine/vendeurs-de-larmes.jpg diff --git a/songs/Daniel_Guichard/Mon_vieux.sg b/songs/daniel_guichard/Mon_vieux.sg similarity index 100% rename from songs/Daniel_Guichard/Mon_vieux.sg rename to songs/daniel_guichard/Mon_vieux.sg diff --git a/songs/Daniel_Guichard/mon-vieux.jpg b/songs/daniel_guichard/mon-vieux.jpg similarity index 100% rename from songs/Daniel_Guichard/mon-vieux.jpg rename to songs/daniel_guichard/mon-vieux.jpg diff --git a/songs/Daniel_Lanois/Jolie_Louise.sg b/songs/daniel_lanois/Jolie_Louise.sg similarity index 100% rename from songs/Daniel_Lanois/Jolie_Louise.sg rename to songs/daniel_lanois/Jolie_Louise.sg diff --git a/songs/Daniel_Lanois/jolie-louise.jpg b/songs/daniel_lanois/jolie-louise.jpg similarity index 100% rename from songs/Daniel_Lanois/jolie-louise.jpg rename to songs/daniel_lanois/jolie-louise.jpg diff --git a/songs/Debout_Sur_Le_Zinc/Aller_simple.sg b/songs/debout_sur_le_zinc/Aller_simple.sg similarity index 100% rename from songs/Debout_Sur_Le_Zinc/Aller_simple.sg rename to songs/debout_sur_le_zinc/Aller_simple.sg diff --git a/songs/Debout_Sur_Le_Zinc/Comme_un_frisson.sg b/songs/debout_sur_le_zinc/Comme_un_frisson.sg similarity index 100% rename from songs/Debout_Sur_Le_Zinc/Comme_un_frisson.sg rename to songs/debout_sur_le_zinc/Comme_un_frisson.sg diff --git a/songs/Debout_Sur_Le_Zinc/Elle_m_ennuie.sg b/songs/debout_sur_le_zinc/Elle_m_ennuie.sg similarity index 100% rename from songs/Debout_Sur_Le_Zinc/Elle_m_ennuie.sg rename to songs/debout_sur_le_zinc/Elle_m_ennuie.sg diff --git a/songs/Debout_Sur_Le_Zinc/J_ai_deja_donne.sg b/songs/debout_sur_le_zinc/J_ai_deja_donne.sg similarity index 100% rename from songs/Debout_Sur_Le_Zinc/J_ai_deja_donne.sg rename to songs/debout_sur_le_zinc/J_ai_deja_donne.sg diff --git a/songs/Debout_Sur_Le_Zinc/Je_cherche_encore.sg b/songs/debout_sur_le_zinc/Je_cherche_encore.sg similarity index 100% rename from songs/Debout_Sur_Le_Zinc/Je_cherche_encore.sg rename to songs/debout_sur_le_zinc/Je_cherche_encore.sg diff --git a/songs/Debout_Sur_Le_Zinc/La_declaration.sg b/songs/debout_sur_le_zinc/La_declaration.sg similarity index 100% rename from songs/Debout_Sur_Le_Zinc/La_declaration.sg rename to songs/debout_sur_le_zinc/La_declaration.sg diff --git a/songs/Debout_Sur_Le_Zinc/Le_tanticide.sg b/songs/debout_sur_le_zinc/Le_tanticide.sg similarity index 100% rename from songs/Debout_Sur_Le_Zinc/Le_tanticide.sg rename to songs/debout_sur_le_zinc/Le_tanticide.sg diff --git a/songs/Debout_Sur_Le_Zinc/Les_angles.sg b/songs/debout_sur_le_zinc/Les_angles.sg similarity index 100% rename from songs/Debout_Sur_Le_Zinc/Les_angles.sg rename to songs/debout_sur_le_zinc/Les_angles.sg diff --git a/songs/Debout_Sur_Le_Zinc/Les_mots_d_amour.sg b/songs/debout_sur_le_zinc/Les_mots_d_amour.sg similarity index 100% rename from songs/Debout_Sur_Le_Zinc/Les_mots_d_amour.sg rename to songs/debout_sur_le_zinc/Les_mots_d_amour.sg diff --git a/songs/Debout_Sur_Le_Zinc/Ma_petite_cherie.sg b/songs/debout_sur_le_zinc/Ma_petite_cherie.sg similarity index 100% rename from songs/Debout_Sur_Le_Zinc/Ma_petite_cherie.sg rename to songs/debout_sur_le_zinc/Ma_petite_cherie.sg diff --git a/songs/Debout_Sur_Le_Zinc/Rester_debout.sg b/songs/debout_sur_le_zinc/Rester_debout.sg similarity index 100% rename from songs/Debout_Sur_Le_Zinc/Rester_debout.sg rename to songs/debout_sur_le_zinc/Rester_debout.sg diff --git a/songs/Debout_Sur_Le_Zinc/Scylla.sg b/songs/debout_sur_le_zinc/Scylla.sg similarity index 100% rename from songs/Debout_Sur_Le_Zinc/Scylla.sg rename to songs/debout_sur_le_zinc/Scylla.sg diff --git a/songs/Debout_Sur_Le_Zinc/Sur_le_fil.sg b/songs/debout_sur_le_zinc/Sur_le_fil.sg similarity index 100% rename from songs/Debout_Sur_Le_Zinc/Sur_le_fil.sg rename to songs/debout_sur_le_zinc/Sur_le_fil.sg diff --git a/songs/Debout_Sur_Le_Zinc/de-charybde-en-scylla.jpg b/songs/debout_sur_le_zinc/de-charybde-en-scylla.jpg similarity index 100% rename from songs/Debout_Sur_Le_Zinc/de-charybde-en-scylla.jpg rename to songs/debout_sur_le_zinc/de-charybde-en-scylla.jpg diff --git a/songs/Debout_Sur_Le_Zinc/debout-sur-le-zinc.jpg b/songs/debout_sur_le_zinc/debout-sur-le-zinc.jpg similarity index 100% rename from songs/Debout_Sur_Le_Zinc/debout-sur-le-zinc.jpg rename to songs/debout_sur_le_zinc/debout-sur-le-zinc.jpg diff --git a/songs/Debout_Sur_Le_Zinc/des-singes-et-des-moutons.jpg b/songs/debout_sur_le_zinc/des-singes-et-des-moutons.jpg similarity index 100% rename from songs/Debout_Sur_Le_Zinc/des-singes-et-des-moutons.jpg rename to songs/debout_sur_le_zinc/des-singes-et-des-moutons.jpg diff --git a/songs/Debout_Sur_Le_Zinc/la-fuite-en-avant.jpg b/songs/debout_sur_le_zinc/la-fuite-en-avant.jpg similarity index 100% rename from songs/Debout_Sur_Le_Zinc/la-fuite-en-avant.jpg rename to songs/debout_sur_le_zinc/la-fuite-en-avant.jpg diff --git a/songs/Debout_Sur_Le_Zinc/les-promesses.jpg b/songs/debout_sur_le_zinc/les-promesses.jpg similarity index 100% rename from songs/Debout_Sur_Le_Zinc/les-promesses.jpg rename to songs/debout_sur_le_zinc/les-promesses.jpg diff --git a/songs/Debout_Sur_Le_Zinc/recreations.jpg b/songs/debout_sur_le_zinc/recreations.jpg similarity index 100% rename from songs/Debout_Sur_Le_Zinc/recreations.jpg rename to songs/debout_sur_le_zinc/recreations.jpg diff --git a/songs/Debout_Sur_Le_Zinc/se_dire_adieu.sg b/songs/debout_sur_le_zinc/se_dire_adieu.sg similarity index 100% rename from songs/Debout_Sur_Le_Zinc/se_dire_adieu.sg rename to songs/debout_sur_le_zinc/se_dire_adieu.sg diff --git a/songs/Dessins_Animes/Boumbo.sg b/songs/dessins_animes/Boumbo.sg similarity index 100% rename from songs/Dessins_Animes/Boumbo.sg rename to songs/dessins_animes/Boumbo.sg diff --git a/songs/Dessins_Animes/Denver.sg b/songs/dessins_animes/Denver.sg similarity index 100% rename from songs/Dessins_Animes/Denver.sg rename to songs/dessins_animes/Denver.sg diff --git a/songs/Dessins_Animes/Dragon_Ball.sg b/songs/dessins_animes/Dragon_Ball.sg similarity index 100% rename from songs/Dessins_Animes/Dragon_Ball.sg rename to songs/dessins_animes/Dragon_Ball.sg diff --git a/songs/Dessins_Animes/Dragon_Ball_Z.sg b/songs/dessins_animes/Dragon_Ball_Z.sg similarity index 100% rename from songs/Dessins_Animes/Dragon_Ball_Z.sg rename to songs/dessins_animes/Dragon_Ball_Z.sg diff --git a/songs/Dessins_Animes/I_Wanna_be_like_you.sg b/songs/dessins_animes/I_Wanna_be_like_you.sg similarity index 100% rename from songs/Dessins_Animes/I_Wanna_be_like_you.sg rename to songs/dessins_animes/I_Wanna_be_like_you.sg diff --git a/songs/Dessins_Animes/Inspecteur_Gadget.sg b/songs/dessins_animes/Inspecteur_Gadget.sg similarity index 100% rename from songs/Dessins_Animes/Inspecteur_Gadget.sg rename to songs/dessins_animes/Inspecteur_Gadget.sg diff --git a/songs/Dessins_Animes/L_histoire_d_Actarus.sg b/songs/dessins_animes/L_histoire_d_Actarus.sg similarity index 100% rename from songs/Dessins_Animes/L_histoire_d_Actarus.sg rename to songs/dessins_animes/L_histoire_d_Actarus.sg diff --git a/songs/Dessins_Animes/L_oiseau_bleu.sg b/songs/dessins_animes/L_oiseau_bleu.sg similarity index 100% rename from songs/Dessins_Animes/L_oiseau_bleu.sg rename to songs/dessins_animes/L_oiseau_bleu.sg diff --git a/songs/Dessins_Animes/Le_pudding_a_l_arsenic.sg b/songs/dessins_animes/Le_pudding_a_l_arsenic.sg similarity index 100% rename from songs/Dessins_Animes/Le_pudding_a_l_arsenic.sg rename to songs/dessins_animes/Le_pudding_a_l_arsenic.sg diff --git a/songs/Dessins_Animes/Les_chevaliers_du_zodiaque.sg b/songs/dessins_animes/Les_chevaliers_du_zodiaque.sg similarity index 100% rename from songs/Dessins_Animes/Les_chevaliers_du_zodiaque.sg rename to songs/dessins_animes/Les_chevaliers_du_zodiaque.sg diff --git a/songs/Dessins_Animes/Les_mysterieuses_cites_d_or.sg b/songs/dessins_animes/Les_mysterieuses_cites_d_or.sg similarity index 100% rename from songs/Dessins_Animes/Les_mysterieuses_cites_d_or.sg rename to songs/dessins_animes/Les_mysterieuses_cites_d_or.sg diff --git a/songs/Dessins_Animes/Lucky_Luke.sg b/songs/dessins_animes/Lucky_Luke.sg similarity index 100% rename from songs/Dessins_Animes/Lucky_Luke.sg rename to songs/dessins_animes/Lucky_Luke.sg diff --git a/songs/Dessins_Animes/Nicky_Larson.sg b/songs/dessins_animes/Nicky_Larson.sg similarity index 100% rename from songs/Dessins_Animes/Nicky_Larson.sg rename to songs/dessins_animes/Nicky_Larson.sg diff --git a/songs/Dessins_Animes/Sherlock_Holmes.sg b/songs/dessins_animes/Sherlock_Holmes.sg similarity index 100% rename from songs/Dessins_Animes/Sherlock_Holmes.sg rename to songs/dessins_animes/Sherlock_Holmes.sg diff --git a/songs/Dessins_Animes/Themis_et_Nono.sg b/songs/dessins_animes/Themis_et_Nono.sg similarity index 100% rename from songs/Dessins_Animes/Themis_et_Nono.sg rename to songs/dessins_animes/Themis_et_Nono.sg diff --git a/songs/Dessins_Animes/Tom_Sawyer_debut.sg b/songs/dessins_animes/Tom_Sawyer_debut.sg similarity index 100% rename from songs/Dessins_Animes/Tom_Sawyer_debut.sg rename to songs/dessins_animes/Tom_Sawyer_debut.sg diff --git a/songs/Dessins_Animes/Tom_Sawyer_fin.sg b/songs/dessins_animes/Tom_Sawyer_fin.sg similarity index 100% rename from songs/Dessins_Animes/Tom_Sawyer_fin.sg rename to songs/dessins_animes/Tom_Sawyer_fin.sg diff --git a/songs/Dessins_Animes/actarus.jpg b/songs/dessins_animes/actarus.jpg similarity index 100% rename from songs/Dessins_Animes/actarus.jpg rename to songs/dessins_animes/actarus.jpg diff --git a/songs/Dessins_Animes/asterix.jpg b/songs/dessins_animes/asterix.jpg similarity index 100% rename from songs/Dessins_Animes/asterix.jpg rename to songs/dessins_animes/asterix.jpg diff --git a/songs/Dessins_Animes/boumbo.jpg b/songs/dessins_animes/boumbo.jpg similarity index 100% rename from songs/Dessins_Animes/boumbo.jpg rename to songs/dessins_animes/boumbo.jpg diff --git a/songs/Dessins_Animes/denver.jpg b/songs/dessins_animes/denver.jpg similarity index 100% rename from songs/Dessins_Animes/denver.jpg rename to songs/dessins_animes/denver.jpg diff --git a/songs/Dessins_Animes/dragon-ball-z.jpg b/songs/dessins_animes/dragon-ball-z.jpg similarity index 100% rename from songs/Dessins_Animes/dragon-ball-z.jpg rename to songs/dessins_animes/dragon-ball-z.jpg diff --git a/songs/Dessins_Animes/dragon-ball.jpg b/songs/dessins_animes/dragon-ball.jpg similarity index 100% rename from songs/Dessins_Animes/dragon-ball.jpg rename to songs/dessins_animes/dragon-ball.jpg diff --git a/songs/Dessins_Animes/inspecteur-gadget.jpg b/songs/dessins_animes/inspecteur-gadget.jpg similarity index 100% rename from songs/Dessins_Animes/inspecteur-gadget.jpg rename to songs/dessins_animes/inspecteur-gadget.jpg diff --git a/songs/Dessins_Animes/lucky-luke.jpg b/songs/dessins_animes/lucky-luke.jpg similarity index 100% rename from songs/Dessins_Animes/lucky-luke.jpg rename to songs/dessins_animes/lucky-luke.jpg diff --git a/songs/Dessins_Animes/mysterieuses-cites-d-or.jpg b/songs/dessins_animes/mysterieuses-cites-d-or.jpg similarity index 100% rename from songs/Dessins_Animes/mysterieuses-cites-d-or.jpg rename to songs/dessins_animes/mysterieuses-cites-d-or.jpg diff --git a/songs/Dessins_Animes/nicky-larson.jpg b/songs/dessins_animes/nicky-larson.jpg similarity index 100% rename from songs/Dessins_Animes/nicky-larson.jpg rename to songs/dessins_animes/nicky-larson.jpg diff --git a/songs/Dessins_Animes/oiseau-bleu.jpg b/songs/dessins_animes/oiseau-bleu.jpg similarity index 100% rename from songs/Dessins_Animes/oiseau-bleu.jpg rename to songs/dessins_animes/oiseau-bleu.jpg diff --git a/songs/Dessins_Animes/sherlock-holmes.jpg b/songs/dessins_animes/sherlock-holmes.jpg similarity index 100% rename from songs/Dessins_Animes/sherlock-holmes.jpg rename to songs/dessins_animes/sherlock-holmes.jpg diff --git a/songs/Dessins_Animes/the-jungle-book.jpg b/songs/dessins_animes/the-jungle-book.jpg similarity index 100% rename from songs/Dessins_Animes/the-jungle-book.jpg rename to songs/dessins_animes/the-jungle-book.jpg diff --git a/songs/Dessins_Animes/tom-sawyer-debut.jpg b/songs/dessins_animes/tom-sawyer-debut.jpg similarity index 100% rename from songs/Dessins_Animes/tom-sawyer-debut.jpg rename to songs/dessins_animes/tom-sawyer-debut.jpg diff --git a/songs/Dessins_Animes/tom-sawyer-fin.jpg b/songs/dessins_animes/tom-sawyer-fin.jpg similarity index 100% rename from songs/Dessins_Animes/tom-sawyer-fin.jpg rename to songs/dessins_animes/tom-sawyer-fin.jpg diff --git a/songs/Dessins_Animes/ulysse.jpg b/songs/dessins_animes/ulysse.jpg similarity index 100% rename from songs/Dessins_Animes/ulysse.jpg rename to songs/dessins_animes/ulysse.jpg diff --git a/songs/Dessins_Animes/zodiaque.jpg b/songs/dessins_animes/zodiaque.jpg similarity index 100% rename from songs/Dessins_Animes/zodiaque.jpg rename to songs/dessins_animes/zodiaque.jpg diff --git a/songs/Dire_Straits/brothers-in-arms.jpg b/songs/dire_straits/brothers-in-arms.jpg similarity index 100% rename from songs/Dire_Straits/brothers-in-arms.jpg rename to songs/dire_straits/brothers-in-arms.jpg diff --git a/songs/Dire_Straits/brothers_in_arms.sg b/songs/dire_straits/brothers_in_arms.sg similarity index 100% rename from songs/Dire_Straits/brothers_in_arms.sg rename to songs/dire_straits/brothers_in_arms.sg diff --git a/songs/Dropkick_Murphys/Dirty_glass.sg b/songs/dropkick_murphys/Dirty_glass.sg similarity index 100% rename from songs/Dropkick_Murphys/Dirty_glass.sg rename to songs/dropkick_murphys/Dirty_glass.sg diff --git a/songs/Dropkick_Murphys/blackout.jpg b/songs/dropkick_murphys/blackout.jpg similarity index 100% rename from songs/Dropkick_Murphys/blackout.jpg rename to songs/dropkick_murphys/blackout.jpg diff --git a/songs/Eddie_Vedder/Guaranteed.sg b/songs/eddie_vedder/Guaranteed.sg similarity index 100% rename from songs/Eddie_Vedder/Guaranteed.sg rename to songs/eddie_vedder/Guaranteed.sg diff --git a/songs/Eddie_Vedder/into-the-wild.jpg b/songs/eddie_vedder/into-the-wild.jpg similarity index 100% rename from songs/Eddie_Vedder/into-the-wild.jpg rename to songs/eddie_vedder/into-the-wild.jpg diff --git a/songs/Eddy_Mitchell/Il_ne_rentre_pas_ce_soir.sg b/songs/eddy_mitchell/Il_ne_rentre_pas_ce_soir.sg similarity index 100% rename from songs/Eddy_Mitchell/Il_ne_rentre_pas_ce_soir.sg rename to songs/eddy_mitchell/Il_ne_rentre_pas_ce_soir.sg diff --git a/songs/Eddy_Mitchell/Pas_de_boogie_woogie.sg b/songs/eddy_mitchell/Pas_de_boogie_woogie.sg similarity index 100% rename from songs/Eddy_Mitchell/Pas_de_boogie_woogie.sg rename to songs/eddy_mitchell/Pas_de_boogie_woogie.sg diff --git a/songs/Eddy_Mitchell/Tu_peux_preparer_le_cafe_noir.sg b/songs/eddy_mitchell/Tu_peux_preparer_le_cafe_noir.sg similarity index 100% rename from songs/Eddy_Mitchell/Tu_peux_preparer_le_cafe_noir.sg rename to songs/eddy_mitchell/Tu_peux_preparer_le_cafe_noir.sg diff --git a/songs/Eddy_Mitchell/apres-minuit.jpg b/songs/eddy_mitchell/apres-minuit.jpg similarity index 100% rename from songs/Eddy_Mitchell/apres-minuit.jpg rename to songs/eddy_mitchell/apres-minuit.jpg diff --git a/songs/Eddy_Mitchell/c-est-bien-fait.jpg b/songs/eddy_mitchell/c-est-bien-fait.jpg similarity index 100% rename from songs/Eddy_Mitchell/c-est-bien-fait.jpg rename to songs/eddy_mitchell/c-est-bien-fait.jpg diff --git a/songs/Eddy_Mitchell/sur-la-route-de-memphis.jpg b/songs/eddy_mitchell/sur-la-route-de-memphis.jpg similarity index 100% rename from songs/Eddy_Mitchell/sur-la-route-de-memphis.jpg rename to songs/eddy_mitchell/sur-la-route-de-memphis.jpg diff --git a/songs/Edith_Piaf/L_homme_a_la_moto.sg b/songs/edith_piaf/L_homme_a_la_moto.sg similarity index 100% rename from songs/Edith_Piaf/L_homme_a_la_moto.sg rename to songs/edith_piaf/L_homme_a_la_moto.sg diff --git a/songs/Edith_Piaf/Padam_Padam.sg b/songs/edith_piaf/Padam_Padam.sg similarity index 100% rename from songs/Edith_Piaf/Padam_Padam.sg rename to songs/edith_piaf/Padam_Padam.sg diff --git a/songs/Edith_Piaf/l-homme-a-la-moto.jpg b/songs/edith_piaf/l-homme-a-la-moto.jpg similarity index 100% rename from songs/Edith_Piaf/l-homme-a-la-moto.jpg rename to songs/edith_piaf/l-homme-a-la-moto.jpg diff --git a/songs/Edith_Piaf/padam-padam.jpg b/songs/edith_piaf/padam-padam.jpg similarity index 100% rename from songs/Edith_Piaf/padam-padam.jpg rename to songs/edith_piaf/padam-padam.jpg diff --git a/songs/Eels/Dirty_girl.sg b/songs/eels/Dirty_girl.sg similarity index 100% rename from songs/Eels/Dirty_girl.sg rename to songs/eels/Dirty_girl.sg diff --git a/songs/Eels/Hey_man.sg b/songs/eels/Hey_man.sg similarity index 100% rename from songs/Eels/Hey_man.sg rename to songs/eels/Hey_man.sg diff --git a/songs/Eels/I_like_birds.sg b/songs/eels/I_like_birds.sg similarity index 100% rename from songs/Eels/I_like_birds.sg rename to songs/eels/I_like_birds.sg diff --git a/songs/Eels/Packing_blankets.sg b/songs/eels/Packing_blankets.sg similarity index 100% rename from songs/Eels/Packing_blankets.sg rename to songs/eels/Packing_blankets.sg diff --git a/songs/Eels/blinking-lights.jpg b/songs/eels/blinking-lights.jpg similarity index 100% rename from songs/Eels/blinking-lights.jpg rename to songs/eels/blinking-lights.jpg diff --git a/songs/Eels/daisies-of-the-galaxy.jpg b/songs/eels/daisies-of-the-galaxy.jpg similarity index 100% rename from songs/Eels/daisies-of-the-galaxy.jpg rename to songs/eels/daisies-of-the-galaxy.jpg diff --git a/songs/Eels/shootenanny.jpg b/songs/eels/shootenanny.jpg similarity index 100% rename from songs/Eels/shootenanny.jpg rename to songs/eels/shootenanny.jpg diff --git a/songs/Elton_John/Can_you_fell_the_love_tonight.sg b/songs/elton_john/Can_you_fell_the_love_tonight.sg similarity index 100% rename from songs/Elton_John/Can_you_fell_the_love_tonight.sg rename to songs/elton_john/Can_you_fell_the_love_tonight.sg diff --git a/songs/Elton_John/Crocodile_rock.sg b/songs/elton_john/Crocodile_rock.sg similarity index 100% rename from songs/Elton_John/Crocodile_rock.sg rename to songs/elton_john/Crocodile_rock.sg diff --git a/songs/Elton_John/crocodile-rock.jpg b/songs/elton_john/crocodile-rock.jpg similarity index 100% rename from songs/Elton_John/crocodile-rock.jpg rename to songs/elton_john/crocodile-rock.jpg diff --git a/songs/Elton_John/lion-king.jpg b/songs/elton_john/lion-king.jpg similarity index 100% rename from songs/Elton_John/lion-king.jpg rename to songs/elton_john/lion-king.jpg diff --git a/songs/Elvis_Presley/Don_t_be_cruel.sg b/songs/elvis_presley/Don_t_be_cruel.sg similarity index 100% rename from songs/Elvis_Presley/Don_t_be_cruel.sg rename to songs/elvis_presley/Don_t_be_cruel.sg diff --git a/songs/Elvis_Presley/Love_me_tender.sg b/songs/elvis_presley/Love_me_tender.sg similarity index 100% rename from songs/Elvis_Presley/Love_me_tender.sg rename to songs/elvis_presley/Love_me_tender.sg diff --git a/songs/Elvis_Presley/best-of.jpg b/songs/elvis_presley/best-of.jpg similarity index 100% rename from songs/Elvis_Presley/best-of.jpg rename to songs/elvis_presley/best-of.jpg diff --git a/songs/Elvis_Presley/single.jpg b/songs/elvis_presley/single.jpg similarity index 100% rename from songs/Elvis_Presley/single.jpg rename to songs/elvis_presley/single.jpg diff --git a/songs/Emiliana_Torrini/Jungle_drum.sg b/songs/emiliana_torrini/Jungle_drum.sg similarity index 100% rename from songs/Emiliana_Torrini/Jungle_drum.sg rename to songs/emiliana_torrini/Jungle_drum.sg diff --git a/songs/Emiliana_Torrini/me-and-armini.jpg b/songs/emiliana_torrini/me-and-armini.jpg similarity index 100% rename from songs/Emiliana_Torrini/me-and-armini.jpg rename to songs/emiliana_torrini/me-and-armini.jpg diff --git a/songs/Fleetwood_Mac/Temporary_one.sg b/songs/fleetwood_mac/Temporary_one.sg similarity index 100% rename from songs/Fleetwood_Mac/Temporary_one.sg rename to songs/fleetwood_mac/Temporary_one.sg diff --git a/songs/Fleetwood_Mac/the-dance.jpg b/songs/fleetwood_mac/the-dance.jpg similarity index 100% rename from songs/Fleetwood_Mac/the-dance.jpg rename to songs/fleetwood_mac/the-dance.jpg diff --git a/songs/Fools_Garden/Lemon_tree.sg b/songs/fools_garden/Lemon_tree.sg similarity index 100% rename from songs/Fools_Garden/Lemon_tree.sg rename to songs/fools_garden/Lemon_tree.sg diff --git a/songs/Fools_Garden/dish-of-the-day.jpg b/songs/fools_garden/dish-of-the-day.jpg similarity index 100% rename from songs/Fools_Garden/dish-of-the-day.jpg rename to songs/fools_garden/dish-of-the-day.jpg diff --git a/songs/France_Gall/Il_jouait_du_piano_debout.sg b/songs/france_gall/Il_jouait_du_piano_debout.sg similarity index 100% rename from songs/France_Gall/Il_jouait_du_piano_debout.sg rename to songs/france_gall/Il_jouait_du_piano_debout.sg diff --git a/songs/France_Gall/paris-france.jpg b/songs/france_gall/paris-france.jpg similarity index 100% rename from songs/France_Gall/paris-france.jpg rename to songs/france_gall/paris-france.jpg diff --git a/songs/Francine_Pohl/La_sorciere_Grabouilla.sg b/songs/francine_pohl/La_sorciere_Grabouilla.sg similarity index 100% rename from songs/Francine_Pohl/La_sorciere_Grabouilla.sg rename to songs/francine_pohl/La_sorciere_Grabouilla.sg diff --git a/songs/Francis_Cabrel/Je_l_aime_a_mourir.sg b/songs/francis_cabrel/Je_l_aime_a_mourir.sg similarity index 100% rename from songs/Francis_Cabrel/Je_l_aime_a_mourir.sg rename to songs/francis_cabrel/Je_l_aime_a_mourir.sg diff --git a/songs/Francis_Cabrel/Je_t_aimais_je_t_aime_et_je_t_aimerai.sg b/songs/francis_cabrel/Je_t_aimais_je_t_aime_et_je_t_aimerai.sg similarity index 100% rename from songs/Francis_Cabrel/Je_t_aimais_je_t_aime_et_je_t_aimerai.sg rename to songs/francis_cabrel/Je_t_aimais_je_t_aime_et_je_t_aimerai.sg diff --git a/songs/Francis_Cabrel/L_encre_de_tes_yeux.sg b/songs/francis_cabrel/L_encre_de_tes_yeux.sg similarity index 100% rename from songs/Francis_Cabrel/L_encre_de_tes_yeux.sg rename to songs/francis_cabrel/L_encre_de_tes_yeux.sg diff --git a/songs/Francis_Cabrel/La_corrida.sg b/songs/francis_cabrel/La_corrida.sg similarity index 100% rename from songs/Francis_Cabrel/La_corrida.sg rename to songs/francis_cabrel/La_corrida.sg diff --git a/songs/Francis_Cabrel/Les_vidanges_du_diables.sg b/songs/francis_cabrel/Les_vidanges_du_diables.sg similarity index 100% rename from songs/Francis_Cabrel/Les_vidanges_du_diables.sg rename to songs/francis_cabrel/Les_vidanges_du_diables.sg diff --git a/songs/Francis_Cabrel/Octobre.sg b/songs/francis_cabrel/Octobre.sg similarity index 100% rename from songs/Francis_Cabrel/Octobre.sg rename to songs/francis_cabrel/Octobre.sg diff --git a/songs/Francis_Cabrel/Petite_Marie.sg b/songs/francis_cabrel/Petite_Marie.sg similarity index 100% rename from songs/Francis_Cabrel/Petite_Marie.sg rename to songs/francis_cabrel/Petite_Marie.sg diff --git a/songs/Francis_Cabrel/fragile.jpg b/songs/francis_cabrel/fragile.jpg similarity index 100% rename from songs/Francis_Cabrel/fragile.jpg rename to songs/francis_cabrel/fragile.jpg diff --git a/songs/Francis_Cabrel/les-chemins-de-traverse.jpg b/songs/francis_cabrel/les-chemins-de-traverse.jpg similarity index 100% rename from songs/Francis_Cabrel/les-chemins-de-traverse.jpg rename to songs/francis_cabrel/les-chemins-de-traverse.jpg diff --git a/songs/Francis_Cabrel/les-murs-de-poussiere.jpg b/songs/francis_cabrel/les-murs-de-poussiere.jpg similarity index 100% rename from songs/Francis_Cabrel/les-murs-de-poussiere.jpg rename to songs/francis_cabrel/les-murs-de-poussiere.jpg diff --git a/songs/Francis_Cabrel/samedi-soir-sur-la-terre.jpg b/songs/francis_cabrel/samedi-soir-sur-la-terre.jpg similarity index 100% rename from songs/Francis_Cabrel/samedi-soir-sur-la-terre.jpg rename to songs/francis_cabrel/samedi-soir-sur-la-terre.jpg diff --git a/songs/Francois_Corbier/Les_vieux_copains_de_la_tele.sg b/songs/francois_corbier/Les_vieux_copains_de_la_tele.sg similarity index 100% rename from songs/Francois_Corbier/Les_vieux_copains_de_la_tele.sg rename to songs/francois_corbier/Les_vieux_copains_de_la_tele.sg diff --git a/songs/Francois_Corbier/presque-des-hommes.jpg b/songs/francois_corbier/presque-des-hommes.jpg similarity index 100% rename from songs/Francois_Corbier/presque-des-hommes.jpg rename to songs/francois_corbier/presque-des-hommes.jpg diff --git a/songs/Garfunkel_and_Oates/Fuck_you.sg b/songs/garfunkel_and_oates/Fuck_you.sg similarity index 100% rename from songs/Garfunkel_and_Oates/Fuck_you.sg rename to songs/garfunkel_and_oates/Fuck_you.sg diff --git a/songs/Garfunkel_and_Oates/garfunkel-and-oates.jpg b/songs/garfunkel_and_oates/garfunkel-and-oates.jpg similarity index 100% rename from songs/Garfunkel_and_Oates/garfunkel-and-oates.jpg rename to songs/garfunkel_and_oates/garfunkel-and-oates.jpg diff --git a/songs/Gary_Jules/Mad_world.sg b/songs/gary_jules/Mad_world.sg similarity index 100% rename from songs/Gary_Jules/Mad_world.sg rename to songs/gary_jules/Mad_world.sg diff --git a/songs/Gary_Jules/trading-snakeoil-for-wolftickets.jpg b/songs/gary_jules/trading-snakeoil-for-wolftickets.jpg similarity index 100% rename from songs/Gary_Jules/trading-snakeoil-for-wolftickets.jpg rename to songs/gary_jules/trading-snakeoil-for-wolftickets.jpg diff --git a/songs/Georges_Brassens/A_l_ombre_des_maris.sg b/songs/georges_brassens/A_l_ombre_des_maris.sg similarity index 100% rename from songs/Georges_Brassens/A_l_ombre_des_maris.sg rename to songs/georges_brassens/A_l_ombre_des_maris.sg diff --git a/songs/Georges_Brassens/A_l_ombre_du_coeur_de_ma_mie.sg b/songs/georges_brassens/A_l_ombre_du_coeur_de_ma_mie.sg similarity index 100% rename from songs/Georges_Brassens/A_l_ombre_du_coeur_de_ma_mie.sg rename to songs/georges_brassens/A_l_ombre_du_coeur_de_ma_mie.sg diff --git a/songs/Georges_Brassens/Ballade_des_dames_du_temps_jadis.sg b/songs/georges_brassens/Ballade_des_dames_du_temps_jadis.sg similarity index 100% rename from songs/Georges_Brassens/Ballade_des_dames_du_temps_jadis.sg rename to songs/georges_brassens/Ballade_des_dames_du_temps_jadis.sg diff --git a/songs/Georges_Brassens/Chanson_pour_l_auvergnat.sg b/songs/georges_brassens/Chanson_pour_l_auvergnat.sg similarity index 100% rename from songs/Georges_Brassens/Chanson_pour_l_auvergnat.sg rename to songs/georges_brassens/Chanson_pour_l_auvergnat.sg diff --git a/songs/Georges_Brassens/Cupidon_s_en_fout.sg b/songs/georges_brassens/Cupidon_s_en_fout.sg similarity index 100% rename from songs/Georges_Brassens/Cupidon_s_en_fout.sg rename to songs/georges_brassens/Cupidon_s_en_fout.sg diff --git a/songs/Georges_Brassens/Grand_pere.sg b/songs/georges_brassens/Grand_pere.sg similarity index 100% rename from songs/Georges_Brassens/Grand_pere.sg rename to songs/georges_brassens/Grand_pere.sg diff --git a/songs/Georges_Brassens/Je_me_suis_fait_tout_petit.sg b/songs/georges_brassens/Je_me_suis_fait_tout_petit.sg similarity index 100% rename from songs/Georges_Brassens/Je_me_suis_fait_tout_petit.sg rename to songs/georges_brassens/Je_me_suis_fait_tout_petit.sg diff --git a/songs/Georges_Brassens/La_mauvaise_reputation.sg b/songs/georges_brassens/La_mauvaise_reputation.sg similarity index 100% rename from songs/Georges_Brassens/La_mauvaise_reputation.sg rename to songs/georges_brassens/La_mauvaise_reputation.sg diff --git a/songs/Georges_Brassens/Le_gorille.sg b/songs/georges_brassens/Le_gorille.sg similarity index 100% rename from songs/Georges_Brassens/Le_gorille.sg rename to songs/georges_brassens/Le_gorille.sg diff --git a/songs/Georges_Brassens/Le_petit_cheval.sg b/songs/georges_brassens/Le_petit_cheval.sg similarity index 100% rename from songs/Georges_Brassens/Le_petit_cheval.sg rename to songs/georges_brassens/Le_petit_cheval.sg diff --git a/songs/Georges_Brassens/Les_copains_d_abord.sg b/songs/georges_brassens/Les_copains_d_abord.sg similarity index 100% rename from songs/Georges_Brassens/Les_copains_d_abord.sg rename to songs/georges_brassens/Les_copains_d_abord.sg diff --git a/songs/Georges_Brassens/Supplique_pour_etre_enterre_sur_la_plage_de_Sete.sg b/songs/georges_brassens/Supplique_pour_etre_enterre_sur_la_plage_de_Sete.sg similarity index 100% rename from songs/Georges_Brassens/Supplique_pour_etre_enterre_sur_la_plage_de_Sete.sg rename to songs/georges_brassens/Supplique_pour_etre_enterre_sur_la_plage_de_Sete.sg diff --git a/songs/Georges_Brassens/chanson-pour-l-auvergnat.jpg b/songs/georges_brassens/chanson-pour-l-auvergnat.jpg similarity index 100% rename from songs/Georges_Brassens/chanson-pour-l-auvergnat.jpg rename to songs/georges_brassens/chanson-pour-l-auvergnat.jpg diff --git a/songs/Georges_Brassens/don-juan.jpg b/songs/georges_brassens/don-juan.jpg similarity index 100% rename from songs/Georges_Brassens/don-juan.jpg rename to songs/georges_brassens/don-juan.jpg diff --git a/songs/Georges_Brassens/fernande.jpg b/songs/georges_brassens/fernande.jpg similarity index 100% rename from songs/Georges_Brassens/fernande.jpg rename to songs/georges_brassens/fernande.jpg diff --git a/songs/Georges_Brassens/je-me-suis-fais-tout-petit.jpg b/songs/georges_brassens/je-me-suis-fais-tout-petit.jpg similarity index 100% rename from songs/Georges_Brassens/je-me-suis-fais-tout-petit.jpg rename to songs/georges_brassens/je-me-suis-fais-tout-petit.jpg diff --git a/songs/Georges_Brassens/la-mauvaise-reputation.jpg b/songs/georges_brassens/la-mauvaise-reputation.jpg similarity index 100% rename from songs/Georges_Brassens/la-mauvaise-reputation.jpg rename to songs/georges_brassens/la-mauvaise-reputation.jpg diff --git a/songs/Georges_Brassens/le-pornographe.jpg b/songs/georges_brassens/le-pornographe.jpg similarity index 100% rename from songs/Georges_Brassens/le-pornographe.jpg rename to songs/georges_brassens/le-pornographe.jpg diff --git a/songs/Georges_Brassens/les-copains-d-abord.jpg b/songs/georges_brassens/les-copains-d-abord.jpg similarity index 100% rename from songs/Georges_Brassens/les-copains-d-abord.jpg rename to songs/georges_brassens/les-copains-d-abord.jpg diff --git a/songs/Georges_Brassens/supplique-pour-etre-enterre-sur-la-plage-de-sete.jpg b/songs/georges_brassens/supplique-pour-etre-enterre-sur-la-plage-de-sete.jpg similarity index 100% rename from songs/Georges_Brassens/supplique-pour-etre-enterre-sur-la-plage-de-sete.jpg rename to songs/georges_brassens/supplique-pour-etre-enterre-sur-la-plage-de-sete.jpg diff --git a/songs/Gerald_De_Palmas/Sur_la_route.sg b/songs/gerald_de_palmas/Sur_la_route.sg similarity index 100% rename from songs/Gerald_De_Palmas/Sur_la_route.sg rename to songs/gerald_de_palmas/Sur_la_route.sg diff --git a/songs/Gerald_De_Palmas/la-derniere-annee.jpg b/songs/gerald_de_palmas/la-derniere-annee.jpg similarity index 100% rename from songs/Gerald_De_Palmas/la-derniere-annee.jpg rename to songs/gerald_de_palmas/la-derniere-annee.jpg diff --git a/songs/Gerard_Lenorman/La_ballade_des_gens_heureux.sg b/songs/gerard_lenorman/La_ballade_des_gens_heureux.sg similarity index 100% rename from songs/Gerard_Lenorman/La_ballade_des_gens_heureux.sg rename to songs/gerard_lenorman/La_ballade_des_gens_heureux.sg diff --git a/songs/Gerard_Lenorman/Si_j_etais_president.sg b/songs/gerard_lenorman/Si_j_etais_president.sg similarity index 100% rename from songs/Gerard_Lenorman/Si_j_etais_president.sg rename to songs/gerard_lenorman/Si_j_etais_president.sg diff --git a/songs/Gerard_Lenorman/vos-plus-belles-chansons.jpg b/songs/gerard_lenorman/vos-plus-belles-chansons.jpg similarity index 100% rename from songs/Gerard_Lenorman/vos-plus-belles-chansons.jpg rename to songs/gerard_lenorman/vos-plus-belles-chansons.jpg diff --git a/songs/Gerry_Rafferty/To_each_and_everyone.sg b/songs/gerry_rafferty/To_each_and_everyone.sg similarity index 100% rename from songs/Gerry_Rafferty/To_each_and_everyone.sg rename to songs/gerry_rafferty/To_each_and_everyone.sg diff --git a/songs/Gerry_Rafferty/can-i-have-my-money-back.jpg b/songs/gerry_rafferty/can-i-have-my-money-back.jpg similarity index 100% rename from songs/Gerry_Rafferty/can-i-have-my-money-back.jpg rename to songs/gerry_rafferty/can-i-have-my-money-back.jpg diff --git a/songs/Gilles_Servat/La_blanche_hermine.sg b/songs/gilles_servat/La_blanche_hermine.sg similarity index 100% rename from songs/Gilles_Servat/La_blanche_hermine.sg rename to songs/gilles_servat/La_blanche_hermine.sg diff --git a/songs/Gilles_Servat/la-blanche-hermine.jpg b/songs/gilles_servat/la-blanche-hermine.jpg similarity index 100% rename from songs/Gilles_Servat/la-blanche-hermine.jpg rename to songs/gilles_servat/la-blanche-hermine.jpg diff --git a/songs/Gipsy_Kings/Baila_me.sg b/songs/gipsy_kings/Baila_me.sg similarity index 100% rename from songs/Gipsy_Kings/Baila_me.sg rename to songs/gipsy_kings/Baila_me.sg diff --git a/songs/Gipsy_Kings/Bamboleo.sg b/songs/gipsy_kings/Bamboleo.sg similarity index 100% rename from songs/Gipsy_Kings/Bamboleo.sg rename to songs/gipsy_kings/Bamboleo.sg diff --git a/songs/Gipsy_Kings/este-mundo.jpg b/songs/gipsy_kings/este-mundo.jpg similarity index 100% rename from songs/Gipsy_Kings/este-mundo.jpg rename to songs/gipsy_kings/este-mundo.jpg diff --git a/songs/Gipsy_Kings/gipsy-kings.jpg b/songs/gipsy_kings/gipsy-kings.jpg similarity index 100% rename from songs/Gipsy_Kings/gipsy-kings.jpg rename to songs/gipsy_kings/gipsy-kings.jpg diff --git a/songs/Gogol_Bordello/Alcohol.sg b/songs/gogol_bordello/Alcohol.sg similarity index 100% rename from songs/Gogol_Bordello/Alcohol.sg rename to songs/gogol_bordello/Alcohol.sg diff --git a/songs/Gogol_Bordello/Oh_no.sg b/songs/gogol_bordello/Oh_no.sg similarity index 100% rename from songs/Gogol_Bordello/Oh_no.sg rename to songs/gogol_bordello/Oh_no.sg diff --git a/songs/Gogol_Bordello/Supertheory_of_supereverything.sg b/songs/gogol_bordello/Supertheory_of_supereverything.sg similarity index 100% rename from songs/Gogol_Bordello/Supertheory_of_supereverything.sg rename to songs/gogol_bordello/Supertheory_of_supereverything.sg diff --git a/songs/Gogol_Bordello/gypsy-punks.jpg b/songs/gogol_bordello/gypsy-punks.jpg similarity index 100% rename from songs/Gogol_Bordello/gypsy-punks.jpg rename to songs/gogol_bordello/gypsy-punks.jpg diff --git a/songs/Gogol_Bordello/super-taranta.jpg b/songs/gogol_bordello/super-taranta.jpg similarity index 100% rename from songs/Gogol_Bordello/super-taranta.jpg rename to songs/gogol_bordello/super-taranta.jpg diff --git a/songs/Graeme_Allwright/Ca_je_l_ai_jamais_vu.sg b/songs/graeme_allwright/Ca_je_l_ai_jamais_vu.sg similarity index 100% rename from songs/Graeme_Allwright/Ca_je_l_ai_jamais_vu.sg rename to songs/graeme_allwright/Ca_je_l_ai_jamais_vu.sg diff --git a/songs/Graeme_Allwright/Henrik.sg b/songs/graeme_allwright/Henrik.sg similarity index 100% rename from songs/Graeme_Allwright/Henrik.sg rename to songs/graeme_allwright/Henrik.sg diff --git a/songs/Graeme_Allwright/Il_faut_que_je_m_en_aille.sg b/songs/graeme_allwright/Il_faut_que_je_m_en_aille.sg similarity index 100% rename from songs/Graeme_Allwright/Il_faut_que_je_m_en_aille.sg rename to songs/graeme_allwright/Il_faut_que_je_m_en_aille.sg diff --git a/songs/Graeme_Allwright/Johnny.sg b/songs/graeme_allwright/Johnny.sg similarity index 100% rename from songs/Graeme_Allwright/Johnny.sg rename to songs/graeme_allwright/Johnny.sg diff --git a/songs/Graeme_Allwright/Jolie_Bouteille.sg b/songs/graeme_allwright/Jolie_Bouteille.sg similarity index 100% rename from songs/Graeme_Allwright/Jolie_Bouteille.sg rename to songs/graeme_allwright/Jolie_Bouteille.sg diff --git a/songs/Graeme_Allwright/Jusqu_a_la_ceinture.sg b/songs/graeme_allwright/Jusqu_a_la_ceinture.sg similarity index 100% rename from songs/Graeme_Allwright/Jusqu_a_la_ceinture.sg rename to songs/graeme_allwright/Jusqu_a_la_ceinture.sg diff --git a/songs/Graeme_Allwright/La_mouche_bleue.sg b/songs/graeme_allwright/La_mouche_bleue.sg similarity index 100% rename from songs/Graeme_Allwright/La_mouche_bleue.sg rename to songs/graeme_allwright/La_mouche_bleue.sg diff --git a/songs/Graeme_Allwright/Le_clochard_americain.sg b/songs/graeme_allwright/Le_clochard_americain.sg similarity index 100% rename from songs/Graeme_Allwright/Le_clochard_americain.sg rename to songs/graeme_allwright/Le_clochard_americain.sg diff --git a/songs/Graeme_Allwright/Le_jour_de_clarte.sg b/songs/graeme_allwright/Le_jour_de_clarte.sg similarity index 100% rename from songs/Graeme_Allwright/Le_jour_de_clarte.sg rename to songs/graeme_allwright/Le_jour_de_clarte.sg diff --git a/songs/Graeme_Allwright/Petit_garcon.sg b/songs/graeme_allwright/Petit_garcon.sg similarity index 100% rename from songs/Graeme_Allwright/Petit_garcon.sg rename to songs/graeme_allwright/Petit_garcon.sg diff --git a/songs/Graeme_Allwright/Petites_boites.sg b/songs/graeme_allwright/Petites_boites.sg similarity index 100% rename from songs/Graeme_Allwright/Petites_boites.sg rename to songs/graeme_allwright/Petites_boites.sg diff --git a/songs/Graeme_Allwright/emmene-moi.jpg b/songs/graeme_allwright/emmene-moi.jpg similarity index 100% rename from songs/Graeme_Allwright/emmene-moi.jpg rename to songs/graeme_allwright/emmene-moi.jpg diff --git a/songs/Graeme_Allwright/la_ligne_holworth.sg b/songs/graeme_allwright/la_ligne_holworth.sg similarity index 100% rename from songs/Graeme_Allwright/la_ligne_holworth.sg rename to songs/graeme_allwright/la_ligne_holworth.sg diff --git a/songs/Graeme_Allwright/le-jour-de-clarte.jpg b/songs/graeme_allwright/le-jour-de-clarte.jpg similarity index 100% rename from songs/Graeme_Allwright/le-jour-de-clarte.jpg rename to songs/graeme_allwright/le-jour-de-clarte.jpg diff --git a/songs/Green_Day/American_idiot.sg b/songs/green_day/American_idiot.sg similarity index 100% rename from songs/Green_Day/American_idiot.sg rename to songs/green_day/American_idiot.sg diff --git a/songs/Green_Day/Boulevard_of_broken_dreams.sg b/songs/green_day/Boulevard_of_broken_dreams.sg similarity index 100% rename from songs/Green_Day/Boulevard_of_broken_dreams.sg rename to songs/green_day/Boulevard_of_broken_dreams.sg diff --git a/songs/Green_Day/Minority.sg b/songs/green_day/Minority.sg similarity index 100% rename from songs/Green_Day/Minority.sg rename to songs/green_day/Minority.sg diff --git a/songs/Green_Day/american-idiot.jpg b/songs/green_day/american-idiot.jpg similarity index 100% rename from songs/Green_Day/american-idiot.jpg rename to songs/green_day/american-idiot.jpg diff --git a/songs/Green_Day/greenday-warning.jpg b/songs/green_day/greenday-warning.jpg similarity index 100% rename from songs/Green_Day/greenday-warning.jpg rename to songs/green_day/greenday-warning.jpg diff --git a/songs/Green_Day/misery.sg b/songs/green_day/misery.sg similarity index 100% rename from songs/Green_Day/misery.sg rename to songs/green_day/misery.sg diff --git a/songs/Henri_Des/Les_betises_a_l_ecole.sg b/songs/henri_des/Les_betises_a_l_ecole.sg similarity index 100% rename from songs/Henri_Des/Les_betises_a_l_ecole.sg rename to songs/henri_des/Les_betises_a_l_ecole.sg diff --git a/songs/Henri_Des/Mon_cheval_gris.sg b/songs/henri_des/Mon_cheval_gris.sg similarity index 100% rename from songs/Henri_Des/Mon_cheval_gris.sg rename to songs/henri_des/Mon_cheval_gris.sg diff --git a/songs/Henri_Des/les-betises.jpg b/songs/henri_des/les-betises.jpg similarity index 100% rename from songs/Henri_Des/les-betises.jpg rename to songs/henri_des/les-betises.jpg diff --git a/songs/Henri_Salvador/Une_chanson_douce.sg b/songs/henri_salvador/Une_chanson_douce.sg similarity index 100% rename from songs/Henri_Salvador/Une_chanson_douce.sg rename to songs/henri_salvador/Une_chanson_douce.sg diff --git a/songs/Henri_Salvador/succes.jpg b/songs/henri_salvador/succes.jpg similarity index 100% rename from songs/Henri_Salvador/succes.jpg rename to songs/henri_salvador/succes.jpg diff --git a/songs/Herman_Dune/Be_a_doll_and_take_my_heart.sg b/songs/herman_dune/Be_a_doll_and_take_my_heart.sg similarity index 100% rename from songs/Herman_Dune/Be_a_doll_and_take_my_heart.sg rename to songs/herman_dune/Be_a_doll_and_take_my_heart.sg diff --git a/songs/Herman_Dune/Bristol.sg b/songs/herman_dune/Bristol.sg similarity index 100% rename from songs/Herman_Dune/Bristol.sg rename to songs/herman_dune/Bristol.sg diff --git a/songs/Herman_Dune/I_wish_I_could_see_you_soon.sg b/songs/herman_dune/I_wish_I_could_see_you_soon.sg similarity index 100% rename from songs/Herman_Dune/I_wish_I_could_see_you_soon.sg rename to songs/herman_dune/I_wish_I_could_see_you_soon.sg diff --git a/songs/Herman_Dune/My_friends_kill_my_folks.sg b/songs/herman_dune/My_friends_kill_my_folks.sg similarity index 100% rename from songs/Herman_Dune/My_friends_kill_my_folks.sg rename to songs/herman_dune/My_friends_kill_my_folks.sg diff --git a/songs/Herman_Dune/Pure_heart.sg b/songs/herman_dune/Pure_heart.sg similarity index 100% rename from songs/Herman_Dune/Pure_heart.sg rename to songs/herman_dune/Pure_heart.sg diff --git a/songs/Herman_Dune/Tell_me_something_I_don_t_know.sg b/songs/herman_dune/Tell_me_something_I_don_t_know.sg similarity index 100% rename from songs/Herman_Dune/Tell_me_something_I_don_t_know.sg rename to songs/herman_dune/Tell_me_something_I_don_t_know.sg diff --git a/songs/Herman_Dune/When_the_water_gets_cold.sg b/songs/herman_dune/When_the_water_gets_cold.sg similarity index 100% rename from songs/Herman_Dune/When_the_water_gets_cold.sg rename to songs/herman_dune/When_the_water_gets_cold.sg diff --git a/songs/Herman_Dune/Your_name_my_game.sg b/songs/herman_dune/Your_name_my_game.sg similarity index 100% rename from songs/Herman_Dune/Your_name_my_game.sg rename to songs/herman_dune/Your_name_my_game.sg diff --git a/songs/Herman_Dune/giant.jpg b/songs/herman_dune/giant.jpg similarity index 100% rename from songs/Herman_Dune/giant.jpg rename to songs/herman_dune/giant.jpg diff --git a/songs/Herman_Dune/mas-cambios.jpg b/songs/herman_dune/mas-cambios.jpg similarity index 100% rename from songs/Herman_Dune/mas-cambios.jpg rename to songs/herman_dune/mas-cambios.jpg diff --git a/songs/Herman_Dune/strange-moosic.jpg b/songs/herman_dune/strange-moosic.jpg similarity index 100% rename from songs/Herman_Dune/strange-moosic.jpg rename to songs/herman_dune/strange-moosic.jpg diff --git a/songs/Herman_s_Hermits/No_milk_today.sg b/songs/herman_s_hermits/No_milk_today.sg similarity index 100% rename from songs/Herman_s_Hermits/No_milk_today.sg rename to songs/herman_s_hermits/No_milk_today.sg diff --git a/songs/Herman_s_Hermits/original-hits.jpg b/songs/herman_s_hermits/original-hits.jpg similarity index 100% rename from songs/Herman_s_Hermits/original-hits.jpg rename to songs/herman_s_hermits/original-hits.jpg diff --git a/songs/Herve_Cristiani/Il_est_libre_Max.sg b/songs/herve_cristiani/Il_est_libre_Max.sg similarity index 100% rename from songs/Herve_Cristiani/Il_est_libre_Max.sg rename to songs/herve_cristiani/Il_est_libre_Max.sg diff --git a/songs/Herve_Cristiani/libre-max.jpg b/songs/herve_cristiani/libre-max.jpg similarity index 100% rename from songs/Herve_Cristiani/libre-max.jpg rename to songs/herve_cristiani/libre-max.jpg diff --git a/songs/HK_Saltimbanks/Citoyen_du_monde.sg b/songs/hk_saltimbanks/Citoyen_du_monde.sg similarity index 100% rename from songs/HK_Saltimbanks/Citoyen_du_monde.sg rename to songs/hk_saltimbanks/Citoyen_du_monde.sg diff --git a/songs/HK_Saltimbanks/On_lache_rien.sg b/songs/hk_saltimbanks/On_lache_rien.sg similarity index 100% rename from songs/HK_Saltimbanks/On_lache_rien.sg rename to songs/hk_saltimbanks/On_lache_rien.sg diff --git a/songs/HK_Saltimbanks/Passer_ma_vie.sg b/songs/hk_saltimbanks/Passer_ma_vie.sg similarity index 100% rename from songs/HK_Saltimbanks/Passer_ma_vie.sg rename to songs/hk_saltimbanks/Passer_ma_vie.sg diff --git a/songs/HK_Saltimbanks/citoyen-du-monde.jpg b/songs/hk_saltimbanks/citoyen-du-monde.jpg similarity index 100% rename from songs/HK_Saltimbanks/citoyen-du-monde.jpg rename to songs/hk_saltimbanks/citoyen-du-monde.jpg diff --git a/songs/HK_Saltimbanks/indignez-vous.sg b/songs/hk_saltimbanks/indignez-vous.sg similarity index 100% rename from songs/HK_Saltimbanks/indignez-vous.sg rename to songs/hk_saltimbanks/indignez-vous.sg diff --git a/songs/HK_Saltimbanks/niquons_la_planete.sg b/songs/hk_saltimbanks/niquons_la_planete.sg similarity index 100% rename from songs/HK_Saltimbanks/niquons_la_planete.sg rename to songs/hk_saltimbanks/niquons_la_planete.sg diff --git a/songs/Howie_Day/Collide.sg b/songs/howie_day/Collide.sg similarity index 100% rename from songs/Howie_Day/Collide.sg rename to songs/howie_day/Collide.sg diff --git a/songs/Howie_Day/stop-all-the-world-now.jpg b/songs/howie_day/stop-all-the-world-now.jpg similarity index 100% rename from songs/Howie_Day/stop-all-the-world-now.jpg rename to songs/howie_day/stop-all-the-world-now.jpg diff --git a/songs/Hubert-Felix_Thiefaine/Sentiments_numeriques_revisites.sg b/songs/hubert-felix_thiefaine/Sentiments_numeriques_revisites.sg similarity index 100% rename from songs/Hubert-Felix_Thiefaine/Sentiments_numeriques_revisites.sg rename to songs/hubert-felix_thiefaine/Sentiments_numeriques_revisites.sg diff --git a/songs/Hubert-Felix_Thiefaine/la-tentation-du-bonheur.jpg b/songs/hubert-felix_thiefaine/la-tentation-du-bonheur.jpg similarity index 100% rename from songs/Hubert-Felix_Thiefaine/la-tentation-du-bonheur.jpg rename to songs/hubert-felix_thiefaine/la-tentation-du-bonheur.jpg diff --git a/songs/Hugues_Aufray/Alouette.sg b/songs/hugues_aufray/Alouette.sg similarity index 100% rename from songs/Hugues_Aufray/Alouette.sg rename to songs/hugues_aufray/Alouette.sg diff --git a/songs/Hugues_Aufray/Celine.sg b/songs/hugues_aufray/Celine.sg similarity index 100% rename from songs/Hugues_Aufray/Celine.sg rename to songs/hugues_aufray/Celine.sg diff --git a/songs/Hugues_Aufray/Debout_les_gars.sg b/songs/hugues_aufray/Debout_les_gars.sg similarity index 100% rename from songs/Hugues_Aufray/Debout_les_gars.sg rename to songs/hugues_aufray/Debout_les_gars.sg diff --git a/songs/Hugues_Aufray/Elle_descend_de_la_montagne.sg b/songs/hugues_aufray/Elle_descend_de_la_montagne.sg similarity index 100% rename from songs/Hugues_Aufray/Elle_descend_de_la_montagne.sg rename to songs/hugues_aufray/Elle_descend_de_la_montagne.sg diff --git a/songs/Hugues_Aufray/Hasta_luego.sg b/songs/hugues_aufray/Hasta_luego.sg similarity index 100% rename from songs/Hugues_Aufray/Hasta_luego.sg rename to songs/hugues_aufray/Hasta_luego.sg diff --git a/songs/Hugues_Aufray/Je_reviens.sg b/songs/hugues_aufray/Je_reviens.sg similarity index 100% rename from songs/Hugues_Aufray/Je_reviens.sg rename to songs/hugues_aufray/Je_reviens.sg diff --git a/songs/Hugues_Aufray/L_epervier.sg b/songs/hugues_aufray/L_epervier.sg similarity index 100% rename from songs/Hugues_Aufray/L_epervier.sg rename to songs/hugues_aufray/L_epervier.sg diff --git a/songs/Hugues_Aufray/Le_Bon_Dieu_s_enervait.sg b/songs/hugues_aufray/Le_Bon_Dieu_s_enervait.sg similarity index 100% rename from songs/Hugues_Aufray/Le_Bon_Dieu_s_enervait.sg rename to songs/hugues_aufray/Le_Bon_Dieu_s_enervait.sg diff --git a/songs/Hugues_Aufray/Le_joueur_de_pipeau.sg b/songs/hugues_aufray/Le_joueur_de_pipeau.sg similarity index 100% rename from songs/Hugues_Aufray/Le_joueur_de_pipeau.sg rename to songs/hugues_aufray/Le_joueur_de_pipeau.sg diff --git a/songs/Hugues_Aufray/Le_jour_ou_le_bateau_viendra.sg b/songs/hugues_aufray/Le_jour_ou_le_bateau_viendra.sg similarity index 100% rename from songs/Hugues_Aufray/Le_jour_ou_le_bateau_viendra.sg rename to songs/hugues_aufray/Le_jour_ou_le_bateau_viendra.sg diff --git a/songs/Hugues_Aufray/Le_petit_ane_gris.sg b/songs/hugues_aufray/Le_petit_ane_gris.sg similarity index 100% rename from songs/Hugues_Aufray/Le_petit_ane_gris.sg rename to songs/hugues_aufray/Le_petit_ane_gris.sg diff --git a/songs/Hugues_Aufray/Les_couleurs.sg b/songs/hugues_aufray/Les_couleurs.sg similarity index 100% rename from songs/Hugues_Aufray/Les_couleurs.sg rename to songs/hugues_aufray/Les_couleurs.sg diff --git a/songs/Hugues_Aufray/N_y_pense_plus_tout_est_bien.sg b/songs/hugues_aufray/N_y_pense_plus_tout_est_bien.sg similarity index 100% rename from songs/Hugues_Aufray/N_y_pense_plus_tout_est_bien.sg rename to songs/hugues_aufray/N_y_pense_plus_tout_est_bien.sg diff --git a/songs/Hugues_Aufray/Santiano.sg b/songs/hugues_aufray/Santiano.sg similarity index 100% rename from songs/Hugues_Aufray/Santiano.sg rename to songs/hugues_aufray/Santiano.sg diff --git a/songs/Hugues_Aufray/Stewball.sg b/songs/hugues_aufray/Stewball.sg similarity index 100% rename from songs/Hugues_Aufray/Stewball.sg rename to songs/hugues_aufray/Stewball.sg diff --git a/songs/Hugues_Aufray/Tu_sens_bon_la_terre.sg b/songs/hugues_aufray/Tu_sens_bon_la_terre.sg similarity index 100% rename from songs/Hugues_Aufray/Tu_sens_bon_la_terre.sg rename to songs/hugues_aufray/Tu_sens_bon_la_terre.sg diff --git a/songs/Hugues_Aufray/la-terre-est-si-belle.jpg b/songs/hugues_aufray/la-terre-est-si-belle.jpg similarity index 100% rename from songs/Hugues_Aufray/la-terre-est-si-belle.jpg rename to songs/hugues_aufray/la-terre-est-si-belle.jpg diff --git a/songs/Hugues_Aufray/le-meilleur-de-hugues-aufray.jpg b/songs/hugues_aufray/le-meilleur-de-hugues-aufray.jpg similarity index 100% rename from songs/Hugues_Aufray/le-meilleur-de-hugues-aufray.jpg rename to songs/hugues_aufray/le-meilleur-de-hugues-aufray.jpg diff --git a/songs/Hugues_Aufray/little-troubadour.jpg b/songs/hugues_aufray/little-troubadour.jpg similarity index 100% rename from songs/Hugues_Aufray/little-troubadour.jpg rename to songs/hugues_aufray/little-troubadour.jpg diff --git a/songs/Indochine/J_ai_demande_a_la_lune.sg b/songs/indochine/J_ai_demande_a_la_lune.sg similarity index 100% rename from songs/Indochine/J_ai_demande_a_la_lune.sg rename to songs/indochine/J_ai_demande_a_la_lune.sg diff --git a/songs/Indochine/L_aventurier.sg b/songs/indochine/L_aventurier.sg similarity index 100% rename from songs/Indochine/L_aventurier.sg rename to songs/indochine/L_aventurier.sg diff --git a/songs/Indochine/generation-indochine.jpg b/songs/indochine/generation-indochine.jpg similarity index 100% rename from songs/Indochine/generation-indochine.jpg rename to songs/indochine/generation-indochine.jpg diff --git a/songs/Indochine/paradize.jpg b/songs/indochine/paradize.jpg similarity index 100% rename from songs/Indochine/paradize.jpg rename to songs/indochine/paradize.jpg diff --git a/songs/Israel_Kamakawiwo_ole/Somewhere_over_the_rainbow.sg b/songs/israel_kamakawiwo_ole/Somewhere_over_the_rainbow.sg similarity index 100% rename from songs/Israel_Kamakawiwo_ole/Somewhere_over_the_rainbow.sg rename to songs/israel_kamakawiwo_ole/Somewhere_over_the_rainbow.sg diff --git a/songs/Israel_Kamakawiwo_ole/over-the-rainbow.jpg b/songs/israel_kamakawiwo_ole/over-the-rainbow.jpg similarity index 100% rename from songs/Israel_Kamakawiwo_ole/over-the-rainbow.jpg rename to songs/israel_kamakawiwo_ole/over-the-rainbow.jpg diff --git a/songs/Jack_Johnson/Taylor.sg b/songs/jack_johnson/Taylor.sg similarity index 100% rename from songs/Jack_Johnson/Taylor.sg rename to songs/jack_johnson/Taylor.sg diff --git a/songs/Jack_Johnson/on-and-on.jpg b/songs/jack_johnson/on-and-on.jpg similarity index 100% rename from songs/Jack_Johnson/on-and-on.jpg rename to songs/jack_johnson/on-and-on.jpg diff --git a/songs/Jacques_Brel/Amsterdam.sg b/songs/jacques_brel/Amsterdam.sg similarity index 100% rename from songs/Jacques_Brel/Amsterdam.sg rename to songs/jacques_brel/Amsterdam.sg diff --git a/songs/Jacques_Brel/Ces_gens_la.sg b/songs/jacques_brel/Ces_gens_la.sg similarity index 100% rename from songs/Jacques_Brel/Ces_gens_la.sg rename to songs/jacques_brel/Ces_gens_la.sg diff --git a/songs/Jacques_Brel/La_valse_a_mille_temps.sg b/songs/jacques_brel/La_valse_a_mille_temps.sg similarity index 100% rename from songs/Jacques_Brel/La_valse_a_mille_temps.sg rename to songs/jacques_brel/La_valse_a_mille_temps.sg diff --git a/songs/Jacques_Brel/Vesoul.sg b/songs/jacques_brel/Vesoul.sg similarity index 100% rename from songs/Jacques_Brel/Vesoul.sg rename to songs/jacques_brel/Vesoul.sg diff --git a/songs/Jacques_Brel/amsterdam.jpg b/songs/jacques_brel/amsterdam.jpg similarity index 100% rename from songs/Jacques_Brel/amsterdam.jpg rename to songs/jacques_brel/amsterdam.jpg diff --git a/songs/Jacques_Brel/au_suivant.sg b/songs/jacques_brel/au_suivant.sg similarity index 100% rename from songs/Jacques_Brel/au_suivant.sg rename to songs/jacques_brel/au_suivant.sg diff --git a/songs/Jacques_Brel/ces-gens-la.jpg b/songs/jacques_brel/ces-gens-la.jpg similarity index 100% rename from songs/Jacques_Brel/ces-gens-la.jpg rename to songs/jacques_brel/ces-gens-la.jpg diff --git a/songs/Jacques_Brel/les-bonbons.jpg b/songs/jacques_brel/les-bonbons.jpg similarity index 100% rename from songs/Jacques_Brel/les-bonbons.jpg rename to songs/jacques_brel/les-bonbons.jpg diff --git a/songs/Jacques_Brel/master-series-1.jpg b/songs/jacques_brel/master-series-1.jpg similarity index 100% rename from songs/Jacques_Brel/master-series-1.jpg rename to songs/jacques_brel/master-series-1.jpg diff --git a/songs/Jacques_Brel/valse.jpg b/songs/jacques_brel/valse.jpg similarity index 100% rename from songs/Jacques_Brel/valse.jpg rename to songs/jacques_brel/valse.jpg diff --git a/songs/Jacques_Dutronc/La_fille_du_Pere_Noel.sg b/songs/jacques_dutronc/La_fille_du_Pere_Noel.sg similarity index 100% rename from songs/Jacques_Dutronc/La_fille_du_Pere_Noel.sg rename to songs/jacques_dutronc/La_fille_du_Pere_Noel.sg diff --git a/songs/Jacques_Dutronc/en-vogue.jpg b/songs/jacques_dutronc/en-vogue.jpg similarity index 100% rename from songs/Jacques_Dutronc/en-vogue.jpg rename to songs/jacques_dutronc/en-vogue.jpg diff --git a/songs/Jacques_Higelin/Je_ne_peux_plus_dire_je_t_aime.sg b/songs/jacques_higelin/Je_ne_peux_plus_dire_je_t_aime.sg similarity index 100% rename from songs/Jacques_Higelin/Je_ne_peux_plus_dire_je_t_aime.sg rename to songs/jacques_higelin/Je_ne_peux_plus_dire_je_t_aime.sg diff --git a/songs/Jacques_Higelin/Poil_dans_la_main.sg b/songs/jacques_higelin/Poil_dans_la_main.sg similarity index 100% rename from songs/Jacques_Higelin/Poil_dans_la_main.sg rename to songs/jacques_higelin/Poil_dans_la_main.sg diff --git a/songs/Jacques_Higelin/Tombe_du_ciel.sg b/songs/jacques_higelin/Tombe_du_ciel.sg similarity index 100% rename from songs/Jacques_Higelin/Tombe_du_ciel.sg rename to songs/jacques_higelin/Tombe_du_ciel.sg diff --git a/songs/Jacques_Higelin/caviar-pour-les-autres.jpg b/songs/jacques_higelin/caviar-pour-les-autres.jpg similarity index 100% rename from songs/Jacques_Higelin/caviar-pour-les-autres.jpg rename to songs/jacques_higelin/caviar-pour-les-autres.jpg diff --git a/songs/Jacques_Higelin/preferences.jpg b/songs/jacques_higelin/preferences.jpg similarity index 100% rename from songs/Jacques_Higelin/preferences.jpg rename to songs/jacques_higelin/preferences.jpg diff --git a/songs/Jali/Espanola.sg b/songs/jali/Espanola.sg similarity index 100% rename from songs/Jali/Espanola.sg rename to songs/jali/Espanola.sg diff --git a/songs/Jali/des-jours-et-des-lunes.jpg b/songs/jali/des-jours-et-des-lunes.jpg similarity index 100% rename from songs/Jali/des-jours-et-des-lunes.jpg rename to songs/jali/des-jours-et-des-lunes.jpg diff --git a/songs/Jason_Marz/I_m_yours.jpg b/songs/jason_marz/I_m_yours.jpg similarity index 100% rename from songs/Jason_Marz/I_m_yours.jpg rename to songs/jason_marz/I_m_yours.jpg diff --git a/songs/Jason_Marz/I_m_yours.sg b/songs/jason_marz/I_m_yours.sg similarity index 100% rename from songs/Jason_Marz/I_m_yours.sg rename to songs/jason_marz/I_m_yours.sg diff --git a/songs/JCFrog/Hadopi_song_III.sg b/songs/jcfrog/Hadopi_song_III.sg similarity index 100% rename from songs/JCFrog/Hadopi_song_III.sg rename to songs/jcfrog/Hadopi_song_III.sg diff --git a/songs/JCFrog/Je_t_emmene_dedans.sg b/songs/jcfrog/Je_t_emmene_dedans.sg similarity index 100% rename from songs/JCFrog/Je_t_emmene_dedans.sg rename to songs/jcfrog/Je_t_emmene_dedans.sg diff --git a/songs/JCFrog/La_mauvaise_ereputation.sg b/songs/jcfrog/La_mauvaise_ereputation.sg similarity index 100% rename from songs/JCFrog/La_mauvaise_ereputation.sg rename to songs/jcfrog/La_mauvaise_ereputation.sg diff --git a/songs/JCFrog/Russians.sg b/songs/jcfrog/Russians.sg similarity index 100% rename from songs/JCFrog/Russians.sg rename to songs/jcfrog/Russians.sg diff --git a/songs/JCFrog/pastiche-geek-circus.jpg b/songs/jcfrog/pastiche-geek-circus.jpg similarity index 100% rename from songs/JCFrog/pastiche-geek-circus.jpg rename to songs/jcfrog/pastiche-geek-circus.jpg diff --git a/songs/Jean-Jacques_Goldman/Comme_toi.sg b/songs/jean-jacques_goldman/Comme_toi.sg similarity index 100% rename from songs/Jean-Jacques_Goldman/Comme_toi.sg rename to songs/jean-jacques_goldman/Comme_toi.sg diff --git a/songs/Jean-Jacques_Goldman/Encore_un_matin.sg b/songs/jean-jacques_goldman/Encore_un_matin.sg similarity index 100% rename from songs/Jean-Jacques_Goldman/Encore_un_matin.sg rename to songs/jean-jacques_goldman/Encore_un_matin.sg diff --git a/songs/Jean-Jacques_Goldman/Il_changeait_la_vie.sg b/songs/jean-jacques_goldman/Il_changeait_la_vie.sg similarity index 100% rename from songs/Jean-Jacques_Goldman/Il_changeait_la_vie.sg rename to songs/jean-jacques_goldman/Il_changeait_la_vie.sg diff --git a/songs/Jean-Jacques_Goldman/Je_te_donne.sg b/songs/jean-jacques_goldman/Je_te_donne.sg similarity index 100% rename from songs/Jean-Jacques_Goldman/Je_te_donne.sg rename to songs/jean-jacques_goldman/Je_te_donne.sg diff --git a/songs/Jean-Jacques_Goldman/Le_coureur.sg b/songs/jean-jacques_goldman/Le_coureur.sg similarity index 100% rename from songs/Jean-Jacques_Goldman/Le_coureur.sg rename to songs/jean-jacques_goldman/Le_coureur.sg diff --git a/songs/Jean-Jacques_Goldman/Long_is_the_road.sg b/songs/jean-jacques_goldman/Long_is_the_road.sg similarity index 100% rename from songs/Jean-Jacques_Goldman/Long_is_the_road.sg rename to songs/jean-jacques_goldman/Long_is_the_road.sg diff --git a/songs/Jean-Jacques_Goldman/On_ira.sg b/songs/jean-jacques_goldman/On_ira.sg similarity index 100% rename from songs/Jean-Jacques_Goldman/On_ira.sg rename to songs/jean-jacques_goldman/On_ira.sg diff --git a/songs/Jean-Jacques_Goldman/en-passant.jpg b/songs/jean-jacques_goldman/en-passant.jpg similarity index 100% rename from songs/Jean-Jacques_Goldman/en-passant.jpg rename to songs/jean-jacques_goldman/en-passant.jpg diff --git a/songs/Jean-Jacques_Goldman/non-homologue.jpg b/songs/jean-jacques_goldman/non-homologue.jpg similarity index 100% rename from songs/Jean-Jacques_Goldman/non-homologue.jpg rename to songs/jean-jacques_goldman/non-homologue.jpg diff --git a/songs/Jean-Jacques_Goldman/singulier.jpg b/songs/jean-jacques_goldman/singulier.jpg similarity index 100% rename from songs/Jean-Jacques_Goldman/singulier.jpg rename to songs/jean-jacques_goldman/singulier.jpg diff --git a/songs/Jean_Boyer/Pour_me_rendre_a_mon_bureau.sg b/songs/jean_boyer/Pour_me_rendre_a_mon_bureau.sg similarity index 100% rename from songs/Jean_Boyer/Pour_me_rendre_a_mon_bureau.sg rename to songs/jean_boyer/Pour_me_rendre_a_mon_bureau.sg diff --git a/songs/Jean_Leloup/Promeneur.sg b/songs/jean_leloup/Promeneur.sg similarity index 100% rename from songs/Jean_Leloup/Promeneur.sg rename to songs/jean_leloup/Promeneur.sg diff --git a/songs/Jean_Leloup/Sang_d_encre.sg b/songs/jean_leloup/Sang_d_encre.sg similarity index 100% rename from songs/Jean_Leloup/Sang_d_encre.sg rename to songs/jean_leloup/Sang_d_encre.sg diff --git a/songs/Jean_Leloup/la-vallee-des-reputations.jpg b/songs/jean_leloup/la-vallee-des-reputations.jpg similarity index 100% rename from songs/Jean_Leloup/la-vallee-des-reputations.jpg rename to songs/jean_leloup/la-vallee-des-reputations.jpg diff --git a/songs/Jean_Leloup/le-dome.jpg b/songs/jean_leloup/le-dome.jpg similarity index 100% rename from songs/Jean_Leloup/le-dome.jpg rename to songs/jean_leloup/le-dome.jpg diff --git a/songs/Jean_Pierre_Mader/Macumba.sg b/songs/jean_pierre_mader/Macumba.sg similarity index 100% rename from songs/Jean_Pierre_Mader/Macumba.sg rename to songs/jean_pierre_mader/Macumba.sg diff --git a/songs/Jean_Pierre_Mader/microclimats.jpg b/songs/jean_pierre_mader/microclimats.jpg similarity index 100% rename from songs/Jean_Pierre_Mader/microclimats.jpg rename to songs/jean_pierre_mader/microclimats.jpg diff --git a/songs/Jeanette/Porque_te_vas.sg b/songs/jeanette/Porque_te_vas.sg similarity index 100% rename from songs/Jeanette/Porque_te_vas.sg rename to songs/jeanette/Porque_te_vas.sg diff --git a/songs/Jeanette/jeanette.jpg b/songs/jeanette/jeanette.jpg similarity index 100% rename from songs/Jeanette/jeanette.jpg rename to songs/jeanette/jeanette.jpg diff --git a/songs/Jeanne_Moreau/BOF-Jules-et-Jim.jpg b/songs/jeanne_moreau/BOF-Jules-et-Jim.jpg similarity index 100% rename from songs/Jeanne_Moreau/BOF-Jules-et-Jim.jpg rename to songs/jeanne_moreau/BOF-Jules-et-Jim.jpg diff --git a/songs/Jeanne_Moreau/Le_tourbillon_de_la_vie.sg b/songs/jeanne_moreau/Le_tourbillon_de_la_vie.sg similarity index 100% rename from songs/Jeanne_Moreau/Le_tourbillon_de_la_vie.sg rename to songs/jeanne_moreau/Le_tourbillon_de_la_vie.sg diff --git a/songs/Jeanne_Moreau/Les_mots_de_rien_du_tout.sg b/songs/jeanne_moreau/Les_mots_de_rien_du_tout.sg similarity index 100% rename from songs/Jeanne_Moreau/Les_mots_de_rien_du_tout.sg rename to songs/jeanne_moreau/Les_mots_de_rien_du_tout.sg diff --git a/songs/Jeanne_Moreau/succes-confidences.jpg b/songs/jeanne_moreau/succes-confidences.jpg similarity index 100% rename from songs/Jeanne_Moreau/succes-confidences.jpg rename to songs/jeanne_moreau/succes-confidences.jpg diff --git a/songs/Jeff_Buckley/Hallelujah.sg b/songs/jeff_buckley/Hallelujah.sg similarity index 100% rename from songs/Jeff_Buckley/Hallelujah.sg rename to songs/jeff_buckley/Hallelujah.sg diff --git a/songs/Jeff_Buckley/grace.jpg b/songs/jeff_buckley/grace.jpg similarity index 100% rename from songs/Jeff_Buckley/grace.jpg rename to songs/jeff_buckley/grace.jpg diff --git a/songs/Jimi_Hendrix/The_wind_cries_Mary.sg b/songs/jimi_hendrix/The_wind_cries_Mary.sg similarity index 100% rename from songs/Jimi_Hendrix/The_wind_cries_Mary.sg rename to songs/jimi_hendrix/The_wind_cries_Mary.sg diff --git a/songs/Jimi_Hendrix/are-you-experienced.jpg b/songs/jimi_hendrix/are-you-experienced.jpg similarity index 100% rename from songs/Jimi_Hendrix/are-you-experienced.jpg rename to songs/jimi_hendrix/are-you-experienced.jpg diff --git a/songs/Joan_Baez/Here_s_to_you.sg b/songs/joan_baez/Here_s_to_you.sg similarity index 100% rename from songs/Joan_Baez/Here_s_to_you.sg rename to songs/joan_baez/Here_s_to_you.sg diff --git a/songs/Joe_Dassin/La_fleur_aux_dents.sg b/songs/joe_dassin/La_fleur_aux_dents.sg similarity index 100% rename from songs/Joe_Dassin/La_fleur_aux_dents.sg rename to songs/joe_dassin/La_fleur_aux_dents.sg diff --git a/songs/Joe_Dassin/Le_chemin_de_Papa.sg b/songs/joe_dassin/Le_chemin_de_Papa.sg similarity index 100% rename from songs/Joe_Dassin/Le_chemin_de_Papa.sg rename to songs/joe_dassin/Le_chemin_de_Papa.sg diff --git a/songs/Joe_Dassin/Le_moustique.sg b/songs/joe_dassin/Le_moustique.sg similarity index 100% rename from songs/Joe_Dassin/Le_moustique.sg rename to songs/joe_dassin/Le_moustique.sg diff --git a/songs/Joe_Dassin/Les_champs_elysees.sg b/songs/joe_dassin/Les_champs_elysees.sg similarity index 100% rename from songs/Joe_Dassin/Les_champs_elysees.sg rename to songs/joe_dassin/Les_champs_elysees.sg diff --git a/songs/Joe_Dassin/Les_petits_pains_au_chocolat.sg b/songs/joe_dassin/Les_petits_pains_au_chocolat.sg similarity index 100% rename from songs/Joe_Dassin/Les_petits_pains_au_chocolat.sg rename to songs/joe_dassin/Les_petits_pains_au_chocolat.sg diff --git a/songs/Joe_Dassin/Ma_bonne_etoile.sg b/songs/joe_dassin/Ma_bonne_etoile.sg similarity index 100% rename from songs/Joe_Dassin/Ma_bonne_etoile.sg rename to songs/joe_dassin/Ma_bonne_etoile.sg diff --git a/songs/Joe_Dassin/Siffler_sur_la_colline.sg b/songs/joe_dassin/Siffler_sur_la_colline.sg similarity index 100% rename from songs/Joe_Dassin/Siffler_sur_la_colline.sg rename to songs/joe_dassin/Siffler_sur_la_colline.sg diff --git a/songs/Joe_Dassin/le-meilleur-de-joe-dassin.jpg b/songs/joe_dassin/le-meilleur-de-joe-dassin.jpg similarity index 100% rename from songs/Joe_Dassin/le-meilleur-de-joe-dassin.jpg rename to songs/joe_dassin/le-meilleur-de-joe-dassin.jpg diff --git a/songs/Johk/La_reine_de_France.sg b/songs/johk/La_reine_de_France.sg similarity index 100% rename from songs/Johk/La_reine_de_France.sg rename to songs/johk/La_reine_de_France.sg diff --git a/songs/John_Lennon/Working_class_hero.sg b/songs/john_lennon/Working_class_hero.sg similarity index 100% rename from songs/John_Lennon/Working_class_hero.sg rename to songs/john_lennon/Working_class_hero.sg diff --git a/songs/John_Lennon/plastic-ono-band.jpg b/songs/john_lennon/plastic-ono-band.jpg similarity index 100% rename from songs/John_Lennon/plastic-ono-band.jpg rename to songs/john_lennon/plastic-ono-band.jpg diff --git a/songs/Johnny_Cash/I_walk_the_line.sg b/songs/johnny_cash/I_walk_the_line.sg similarity index 100% rename from songs/Johnny_Cash/I_walk_the_line.sg rename to songs/johnny_cash/I_walk_the_line.sg diff --git a/songs/Johnny_Cash/It_aint_me_babe.sg b/songs/johnny_cash/It_aint_me_babe.sg similarity index 100% rename from songs/Johnny_Cash/It_aint_me_babe.sg rename to songs/johnny_cash/It_aint_me_babe.sg diff --git a/songs/Johnny_Cash/Jackson.sg b/songs/johnny_cash/Jackson.sg similarity index 100% rename from songs/Johnny_Cash/Jackson.sg rename to songs/johnny_cash/Jackson.sg diff --git a/songs/Johnny_Cash/The_ring_of_fire.sg b/songs/johnny_cash/The_ring_of_fire.sg similarity index 100% rename from songs/Johnny_Cash/The_ring_of_fire.sg rename to songs/johnny_cash/The_ring_of_fire.sg diff --git a/songs/Johnny_Cash/the-essential.jpg b/songs/johnny_cash/the-essential.jpg similarity index 100% rename from songs/Johnny_Cash/the-essential.jpg rename to songs/johnny_cash/the-essential.jpg diff --git a/songs/Johnny_Hallyday/Le_penitencier.sg b/songs/johnny_hallyday/Le_penitencier.sg similarity index 100% rename from songs/Johnny_Hallyday/Le_penitencier.sg rename to songs/johnny_hallyday/Le_penitencier.sg diff --git a/songs/Johnny_Hallyday/le-penitencier.jpg b/songs/johnny_hallyday/le-penitencier.jpg similarity index 100% rename from songs/Johnny_Hallyday/le-penitencier.jpg rename to songs/johnny_hallyday/le-penitencier.jpg diff --git a/songs/Jonathan_Coulton/Still_alive.sg b/songs/jonathan_coulton/Still_alive.sg similarity index 100% rename from songs/Jonathan_Coulton/Still_alive.sg rename to songs/jonathan_coulton/Still_alive.sg diff --git a/songs/Jonathan_Coulton/portal.jpg b/songs/jonathan_coulton/portal.jpg similarity index 100% rename from songs/Jonathan_Coulton/portal.jpg rename to songs/jonathan_coulton/portal.jpg diff --git a/songs/Julien_Clerc/Ce_n_est_rien.sg b/songs/julien_clerc/Ce_n_est_rien.sg similarity index 100% rename from songs/Julien_Clerc/Ce_n_est_rien.sg rename to songs/julien_clerc/Ce_n_est_rien.sg diff --git a/songs/Julien_Clerc/Melissa.sg b/songs/julien_clerc/Melissa.sg similarity index 100% rename from songs/Julien_Clerc/Melissa.sg rename to songs/julien_clerc/Melissa.sg diff --git a/songs/Julien_Clerc/Travailler_c_est_trop_dur.sg b/songs/julien_clerc/Travailler_c_est_trop_dur.sg similarity index 100% rename from songs/Julien_Clerc/Travailler_c_est_trop_dur.sg rename to songs/julien_clerc/Travailler_c_est_trop_dur.sg diff --git a/songs/Julien_Clerc/best-of-julien-clerc.jpg b/songs/julien_clerc/best-of-julien-clerc.jpg similarity index 100% rename from songs/Julien_Clerc/best-of-julien-clerc.jpg rename to songs/julien_clerc/best-of-julien-clerc.jpg diff --git a/songs/Julien_Clerc/ce-n-est-rien.jpg b/songs/julien_clerc/ce-n-est-rien.jpg similarity index 100% rename from songs/Julien_Clerc/ce-n-est-rien.jpg rename to songs/julien_clerc/ce-n-est-rien.jpg diff --git a/songs/Julien_Dore/Kiss_me_forever.sg b/songs/julien_dore/Kiss_me_forever.sg similarity index 100% rename from songs/Julien_Dore/Kiss_me_forever.sg rename to songs/julien_dore/Kiss_me_forever.sg diff --git a/songs/Julien_Dore/bichon.jpg b/songs/julien_dore/bichon.jpg similarity index 100% rename from songs/Julien_Dore/bichon.jpg rename to songs/julien_dore/bichon.jpg diff --git a/songs/Kana/Plantation.sg b/songs/kana/Plantation.sg similarity index 100% rename from songs/Kana/Plantation.sg rename to songs/kana/Plantation.sg diff --git a/songs/Kana/kana.jpg b/songs/kana/kana.jpg similarity index 100% rename from songs/Kana/kana.jpg rename to songs/kana/kana.jpg diff --git a/songs/Karpatt/Des_gnons_pour_des_pelles.sg b/songs/karpatt/Des_gnons_pour_des_pelles.sg similarity index 100% rename from songs/Karpatt/Des_gnons_pour_des_pelles.sg rename to songs/karpatt/Des_gnons_pour_des_pelles.sg diff --git a/songs/Karpatt/Des_idees.sg b/songs/karpatt/Des_idees.sg similarity index 100% rename from songs/Karpatt/Des_idees.sg rename to songs/karpatt/Des_idees.sg diff --git a/songs/Karpatt/En_pleine_mer.sg b/songs/karpatt/En_pleine_mer.sg similarity index 100% rename from songs/Karpatt/En_pleine_mer.sg rename to songs/karpatt/En_pleine_mer.sg diff --git a/songs/Karpatt/Fan_de_maman.sg b/songs/karpatt/Fan_de_maman.sg similarity index 100% rename from songs/Karpatt/Fan_de_maman.sg rename to songs/karpatt/Fan_de_maman.sg diff --git a/songs/Karpatt/Histoire_de_famille.sg b/songs/karpatt/Histoire_de_famille.sg similarity index 100% rename from songs/Karpatt/Histoire_de_famille.sg rename to songs/karpatt/Histoire_de_famille.sg diff --git a/songs/Karpatt/Le_demenagement.sg b/songs/karpatt/Le_demenagement.sg similarity index 100% rename from songs/Karpatt/Le_demenagement.sg rename to songs/karpatt/Le_demenagement.sg diff --git a/songs/Karpatt/Le_fil.sg b/songs/karpatt/Le_fil.sg similarity index 100% rename from songs/Karpatt/Le_fil.sg rename to songs/karpatt/Le_fil.sg diff --git a/songs/Karpatt/Le_magicien.sg b/songs/karpatt/Le_magicien.sg similarity index 100% rename from songs/Karpatt/Le_magicien.sg rename to songs/karpatt/Le_magicien.sg diff --git a/songs/Karpatt/Leon.sg b/songs/karpatt/Leon.sg similarity index 100% rename from songs/Karpatt/Leon.sg rename to songs/karpatt/Leon.sg diff --git a/songs/Karpatt/Les_canards_en_plastique.sg b/songs/karpatt/Les_canards_en_plastique.sg similarity index 100% rename from songs/Karpatt/Les_canards_en_plastique.sg rename to songs/karpatt/Les_canards_en_plastique.sg diff --git a/songs/Karpatt/Les_ptits_cailloux.sg b/songs/karpatt/Les_ptits_cailloux.sg similarity index 100% rename from songs/Karpatt/Les_ptits_cailloux.sg rename to songs/karpatt/Les_ptits_cailloux.sg diff --git a/songs/Karpatt/Les_vieilles.sg b/songs/karpatt/Les_vieilles.sg similarity index 100% rename from songs/Karpatt/Les_vieilles.sg rename to songs/karpatt/Les_vieilles.sg diff --git a/songs/Karpatt/Lino.sg b/songs/karpatt/Lino.sg similarity index 100% rename from songs/Karpatt/Lino.sg rename to songs/karpatt/Lino.sg diff --git a/songs/Karpatt/Melisande.sg b/songs/karpatt/Melisande.sg similarity index 100% rename from songs/Karpatt/Melisande.sg rename to songs/karpatt/Melisande.sg diff --git a/songs/Karpatt/Souleve_ta_jupe.sg b/songs/karpatt/Souleve_ta_jupe.sg similarity index 100% rename from songs/Karpatt/Souleve_ta_jupe.sg rename to songs/karpatt/Souleve_ta_jupe.sg diff --git a/songs/Karpatt/dans-d-beaux-draps.jpg b/songs/karpatt/dans-d-beaux-draps.jpg similarity index 100% rename from songs/Karpatt/dans-d-beaux-draps.jpg rename to songs/karpatt/dans-d-beaux-draps.jpg diff --git a/songs/Karpatt/dans-le-caillou.jpg b/songs/karpatt/dans-le-caillou.jpg similarity index 100% rename from songs/Karpatt/dans-le-caillou.jpg rename to songs/karpatt/dans-le-caillou.jpg diff --git a/songs/Karpatt/la_chose_qui_dort_dans_mon_lit.sg b/songs/karpatt/la_chose_qui_dort_dans_mon_lit.sg similarity index 100% rename from songs/Karpatt/la_chose_qui_dort_dans_mon_lit.sg rename to songs/karpatt/la_chose_qui_dort_dans_mon_lit.sg diff --git a/songs/Kimya_Dawson/Tree_hugger.sg b/songs/kimya_dawson/Tree_hugger.sg similarity index 100% rename from songs/Kimya_Dawson/Tree_hugger.sg rename to songs/kimya_dawson/Tree_hugger.sg diff --git a/songs/Kimya_Dawson/juno.jpg b/songs/kimya_dawson/juno.jpg similarity index 100% rename from songs/Kimya_Dawson/juno.jpg rename to songs/kimya_dawson/juno.jpg diff --git a/songs/La_compagnie_creole/Ca_fait_rire_les_oiseaux.sg b/songs/la_compagnie_creole/Ca_fait_rire_les_oiseaux.sg similarity index 100% rename from songs/La_compagnie_creole/Ca_fait_rire_les_oiseaux.sg rename to songs/la_compagnie_creole/Ca_fait_rire_les_oiseaux.sg diff --git a/songs/La_compagnie_creole/La_machine_a_danser.sg b/songs/la_compagnie_creole/La_machine_a_danser.sg similarity index 100% rename from songs/La_compagnie_creole/La_machine_a_danser.sg rename to songs/la_compagnie_creole/La_machine_a_danser.sg diff --git a/songs/La_compagnie_creole/Le_bal_masque.sg b/songs/la_compagnie_creole/Le_bal_masque.sg similarity index 100% rename from songs/La_compagnie_creole/Le_bal_masque.sg rename to songs/la_compagnie_creole/Le_bal_masque.sg diff --git a/songs/La_compagnie_creole/ca-fait-rire-les-oiseaux.jpg b/songs/la_compagnie_creole/ca-fait-rire-les-oiseaux.jpg similarity index 100% rename from songs/La_compagnie_creole/ca-fait-rire-les-oiseaux.jpg rename to songs/la_compagnie_creole/ca-fait-rire-les-oiseaux.jpg diff --git a/songs/La_compagnie_creole/la-machine-a-danser.jpg b/songs/la_compagnie_creole/la-machine-a-danser.jpg similarity index 100% rename from songs/La_compagnie_creole/la-machine-a-danser.jpg rename to songs/la_compagnie_creole/la-machine-a-danser.jpg diff --git a/songs/La_compagnie_creole/le-bal-masque.jpg b/songs/la_compagnie_creole/le-bal-masque.jpg similarity index 100% rename from songs/La_compagnie_creole/le-bal-masque.jpg rename to songs/la_compagnie_creole/le-bal-masque.jpg diff --git a/songs/La_crevette_d_acier/Moi_si_un_jour.sg b/songs/la_crevette_d_acier/Moi_si_un_jour.sg similarity index 100% rename from songs/La_crevette_d_acier/Moi_si_un_jour.sg rename to songs/la_crevette_d_acier/Moi_si_un_jour.sg diff --git a/songs/La_crevette_d_acier/appellation-incontrolee.jpg b/songs/la_crevette_d_acier/appellation-incontrolee.jpg similarity index 100% rename from songs/La_crevette_d_acier/appellation-incontrolee.jpg rename to songs/la_crevette_d_acier/appellation-incontrolee.jpg diff --git a/songs/La_Famille_Maestro/Le_rat_de_l_opera.sg b/songs/la_famille_maestro/Le_rat_de_l_opera.sg similarity index 100% rename from songs/La_Famille_Maestro/Le_rat_de_l_opera.sg rename to songs/la_famille_maestro/Le_rat_de_l_opera.sg diff --git a/songs/La_Famille_Maestro/opus2.jpg b/songs/la_famille_maestro/opus2.jpg similarity index 100% rename from songs/La_Famille_Maestro/opus2.jpg rename to songs/la_famille_maestro/opus2.jpg diff --git a/songs/La_Maison_Tellier/La_chambre_rose.sg b/songs/la_maison_tellier/La_chambre_rose.sg similarity index 100% rename from songs/La_Maison_Tellier/La_chambre_rose.sg rename to songs/la_maison_tellier/La_chambre_rose.sg diff --git a/songs/La_Maison_Tellier/babouin.sg b/songs/la_maison_tellier/babouin.sg similarity index 100% rename from songs/La_Maison_Tellier/babouin.sg rename to songs/la_maison_tellier/babouin.sg diff --git a/songs/La_Maison_Tellier/la-maison-tellier.jpg b/songs/la_maison_tellier/la-maison-tellier.jpg similarity index 100% rename from songs/La_Maison_Tellier/la-maison-tellier.jpg rename to songs/la_maison_tellier/la-maison-tellier.jpg diff --git a/songs/La_Rue_Ketanou/Almarita.sg b/songs/la_rue_ketanou/Almarita.sg similarity index 100% rename from songs/La_Rue_Ketanou/Almarita.sg rename to songs/la_rue_ketanou/Almarita.sg diff --git a/songs/La_Rue_Ketanou/Bonhomme_de_chien.sg b/songs/la_rue_ketanou/Bonhomme_de_chien.sg similarity index 100% rename from songs/La_Rue_Ketanou/Bonhomme_de_chien.sg rename to songs/la_rue_ketanou/Bonhomme_de_chien.sg diff --git a/songs/La_Rue_Ketanou/Impossible.sg b/songs/la_rue_ketanou/Impossible.sg similarity index 100% rename from songs/La_Rue_Ketanou/Impossible.sg rename to songs/la_rue_ketanou/Impossible.sg diff --git a/songs/La_Rue_Ketanou/La_chance.sg b/songs/la_rue_ketanou/La_chance.sg similarity index 100% rename from songs/La_Rue_Ketanou/La_chance.sg rename to songs/la_rue_ketanou/La_chance.sg diff --git a/songs/La_Rue_Ketanou/La_fiancee_de_l_eau.sg b/songs/la_rue_ketanou/La_fiancee_de_l_eau.sg similarity index 100% rename from songs/La_Rue_Ketanou/La_fiancee_de_l_eau.sg rename to songs/la_rue_ketanou/La_fiancee_de_l_eau.sg diff --git a/songs/La_Rue_Ketanou/La_rue_ketanou.sg b/songs/la_rue_ketanou/La_rue_ketanou.sg similarity index 100% rename from songs/La_Rue_Ketanou/La_rue_ketanou.sg rename to songs/la_rue_ketanou/La_rue_ketanou.sg diff --git a/songs/La_Rue_Ketanou/Les_cigales.sg b/songs/la_rue_ketanou/Les_cigales.sg similarity index 100% rename from songs/La_Rue_Ketanou/Les_cigales.sg rename to songs/la_rue_ketanou/Les_cigales.sg diff --git a/songs/La_Rue_Ketanou/Les_hommes_que_j_aime.sg b/songs/la_rue_ketanou/Les_hommes_que_j_aime.sg similarity index 100% rename from songs/La_Rue_Ketanou/Les_hommes_que_j_aime.sg rename to songs/la_rue_ketanou/Les_hommes_que_j_aime.sg diff --git a/songs/La_Rue_Ketanou/Les_mots.sg b/songs/la_rue_ketanou/Les_mots.sg similarity index 100% rename from songs/La_Rue_Ketanou/Les_mots.sg rename to songs/la_rue_ketanou/Les_mots.sg diff --git a/songs/La_Rue_Ketanou/Les_tontons.sg b/songs/la_rue_ketanou/Les_tontons.sg similarity index 100% rename from songs/La_Rue_Ketanou/Les_tontons.sg rename to songs/la_rue_ketanou/Les_tontons.sg diff --git a/songs/La_Rue_Ketanou/Ma_faute_a_toi.sg b/songs/la_rue_ketanou/Ma_faute_a_toi.sg similarity index 100% rename from songs/La_Rue_Ketanou/Ma_faute_a_toi.sg rename to songs/la_rue_ketanou/Ma_faute_a_toi.sg diff --git a/songs/La_Rue_Ketanou/Personne_n_a_l_prenom_d_ma_femme.sg b/songs/la_rue_ketanou/Personne_n_a_l_prenom_d_ma_femme.sg similarity index 100% rename from songs/La_Rue_Ketanou/Personne_n_a_l_prenom_d_ma_femme.sg rename to songs/la_rue_ketanou/Personne_n_a_l_prenom_d_ma_femme.sg diff --git a/songs/La_Rue_Ketanou/Sao_loucas.sg b/songs/la_rue_ketanou/Sao_loucas.sg similarity index 100% rename from songs/La_Rue_Ketanou/Sao_loucas.sg rename to songs/la_rue_ketanou/Sao_loucas.sg diff --git a/songs/La_Rue_Ketanou/Sur_les_chemins_de_la_boheme.sg b/songs/la_rue_ketanou/Sur_les_chemins_de_la_boheme.sg similarity index 100% rename from songs/La_Rue_Ketanou/Sur_les_chemins_de_la_boheme.sg rename to songs/la_rue_ketanou/Sur_les_chemins_de_la_boheme.sg diff --git a/songs/La_Rue_Ketanou/Tu_parles_trop.sg b/songs/la_rue_ketanou/Tu_parles_trop.sg similarity index 100% rename from songs/La_Rue_Ketanou/Tu_parles_trop.sg rename to songs/la_rue_ketanou/Tu_parles_trop.sg diff --git a/songs/La_Rue_Ketanou/en-attendant-les-caravanes.jpg b/songs/la_rue_ketanou/en-attendant-les-caravanes.jpg similarity index 100% rename from songs/La_Rue_Ketanou/en-attendant-les-caravanes.jpg rename to songs/la_rue_ketanou/en-attendant-les-caravanes.jpg diff --git a/songs/La_Rue_Ketanou/ouvert-a-double-tour.jpg b/songs/la_rue_ketanou/ouvert-a-double-tour.jpg similarity index 100% rename from songs/La_Rue_Ketanou/ouvert-a-double-tour.jpg rename to songs/la_rue_ketanou/ouvert-a-double-tour.jpg diff --git a/songs/La_Rue_Ketanou/y-a-des-cigales-dans-la-fourmiliere.jpg b/songs/la_rue_ketanou/y-a-des-cigales-dans-la-fourmiliere.jpg similarity index 100% rename from songs/La_Rue_Ketanou/y-a-des-cigales-dans-la-fourmiliere.jpg rename to songs/la_rue_ketanou/y-a-des-cigales-dans-la-fourmiliere.jpg diff --git a/songs/La_tete_a_toto/Les_projets.sg b/songs/la_tete_a_toto/Les_projets.sg similarity index 100% rename from songs/La_tete_a_toto/Les_projets.sg rename to songs/la_tete_a_toto/Les_projets.sg diff --git a/songs/La_tete_a_toto/Petit_bonhomme.sg b/songs/la_tete_a_toto/Petit_bonhomme.sg similarity index 100% rename from songs/La_tete_a_toto/Petit_bonhomme.sg rename to songs/la_tete_a_toto/Petit_bonhomme.sg diff --git a/songs/La_tete_a_toto/la-tete-a-toto.jpg b/songs/la_tete_a_toto/la-tete-a-toto.jpg similarity index 100% rename from songs/La_tete_a_toto/la-tete-a-toto.jpg rename to songs/la_tete_a_toto/la-tete-a-toto.jpg diff --git a/songs/Laura_Veirs/Ballad_of_John_Vogelin.sg b/songs/laura_veirs/Ballad_of_John_Vogelin.sg similarity index 100% rename from songs/Laura_Veirs/Ballad_of_John_Vogelin.sg rename to songs/laura_veirs/Ballad_of_John_Vogelin.sg diff --git a/songs/Laura_Veirs/Black_eyed_Susan.sg b/songs/laura_veirs/Black_eyed_Susan.sg similarity index 100% rename from songs/Laura_Veirs/Black_eyed_Susan.sg rename to songs/laura_veirs/Black_eyed_Susan.sg diff --git a/songs/Laura_Veirs/Icebound_stream.sg b/songs/laura_veirs/Icebound_stream.sg similarity index 100% rename from songs/Laura_Veirs/Icebound_stream.sg rename to songs/laura_veirs/Icebound_stream.sg diff --git a/songs/Laura_Veirs/Jailhouse_fire.sg b/songs/laura_veirs/Jailhouse_fire.sg similarity index 100% rename from songs/Laura_Veirs/Jailhouse_fire.sg rename to songs/laura_veirs/Jailhouse_fire.sg diff --git a/songs/Laura_Veirs/carbon-glacier.jpg b/songs/laura_veirs/carbon-glacier.jpg similarity index 100% rename from songs/Laura_Veirs/carbon-glacier.jpg rename to songs/laura_veirs/carbon-glacier.jpg diff --git a/songs/Laura_Veirs/the-triumphs-and-travails-of-orphan-mae.jpg b/songs/laura_veirs/the-triumphs-and-travails-of-orphan-mae.jpg similarity index 100% rename from songs/Laura_Veirs/the-triumphs-and-travails-of-orphan-mae.jpg rename to songs/laura_veirs/the-triumphs-and-travails-of-orphan-mae.jpg diff --git a/songs/Laura_Veirs/troubled-by-the-fire.jpg b/songs/laura_veirs/troubled-by-the-fire.jpg similarity index 100% rename from songs/Laura_Veirs/troubled-by-the-fire.jpg rename to songs/laura_veirs/troubled-by-the-fire.jpg diff --git a/songs/Le_clandestin/Rue_Grenelle.sg b/songs/le_clandestin/Rue_Grenelle.sg similarity index 100% rename from songs/Le_clandestin/Rue_Grenelle.sg rename to songs/le_clandestin/Rue_Grenelle.sg diff --git a/songs/Le_clandestin/le-clandestin.jpg b/songs/le_clandestin/le-clandestin.jpg similarity index 100% rename from songs/Le_clandestin/le-clandestin.jpg rename to songs/le_clandestin/le-clandestin.jpg diff --git a/songs/Le_Colporteur/Comme_on_dit.sg b/songs/le_colporteur/Comme_on_dit.sg similarity index 100% rename from songs/Le_Colporteur/Comme_on_dit.sg rename to songs/le_colporteur/Comme_on_dit.sg diff --git a/songs/Le_Donjon_de_Naheulbeuk/10_sous_dans_ma_poche.sg b/songs/le_donjon_de_naheulbeuk/10_sous_dans_ma_poche.sg similarity index 100% rename from songs/Le_Donjon_de_Naheulbeuk/10_sous_dans_ma_poche.sg rename to songs/le_donjon_de_naheulbeuk/10_sous_dans_ma_poche.sg diff --git a/songs/Le_Donjon_de_Naheulbeuk/A_l_aventure_compagnons.sg b/songs/le_donjon_de_naheulbeuk/A_l_aventure_compagnons.sg similarity index 100% rename from songs/Le_Donjon_de_Naheulbeuk/A_l_aventure_compagnons.sg rename to songs/le_donjon_de_naheulbeuk/A_l_aventure_compagnons.sg diff --git a/songs/Le_Donjon_de_Naheulbeuk/Bugger_off.sg b/songs/le_donjon_de_naheulbeuk/Bugger_off.sg similarity index 100% rename from songs/Le_Donjon_de_Naheulbeuk/Bugger_off.sg rename to songs/le_donjon_de_naheulbeuk/Bugger_off.sg diff --git a/songs/Le_Donjon_de_Naheulbeuk/Chicken_quest.sg b/songs/le_donjon_de_naheulbeuk/Chicken_quest.sg similarity index 100% rename from songs/Le_Donjon_de_Naheulbeuk/Chicken_quest.sg rename to songs/le_donjon_de_naheulbeuk/Chicken_quest.sg diff --git a/songs/Le_Donjon_de_Naheulbeuk/Crom.sg b/songs/le_donjon_de_naheulbeuk/Crom.sg similarity index 100% rename from songs/Le_Donjon_de_Naheulbeuk/Crom.sg rename to songs/le_donjon_de_naheulbeuk/Crom.sg diff --git a/songs/Le_Donjon_de_Naheulbeuk/Geste_heroique.sg b/songs/le_donjon_de_naheulbeuk/Geste_heroique.sg similarity index 100% rename from songs/Le_Donjon_de_Naheulbeuk/Geste_heroique.sg rename to songs/le_donjon_de_naheulbeuk/Geste_heroique.sg diff --git a/songs/Le_Donjon_de_Naheulbeuk/He_la_petite_dame.sg b/songs/le_donjon_de_naheulbeuk/He_la_petite_dame.sg similarity index 100% rename from songs/Le_Donjon_de_Naheulbeuk/He_la_petite_dame.sg rename to songs/le_donjon_de_naheulbeuk/He_la_petite_dame.sg diff --git a/songs/Le_Donjon_de_Naheulbeuk/La_biere_du_donjon.sg b/songs/le_donjon_de_naheulbeuk/La_biere_du_donjon.sg similarity index 100% rename from songs/Le_Donjon_de_Naheulbeuk/La_biere_du_donjon.sg rename to songs/le_donjon_de_naheulbeuk/La_biere_du_donjon.sg diff --git a/songs/Le_Donjon_de_Naheulbeuk/La_compagnie_du_chien_rugissant.sg b/songs/le_donjon_de_naheulbeuk/La_compagnie_du_chien_rugissant.sg similarity index 100% rename from songs/Le_Donjon_de_Naheulbeuk/La_compagnie_du_chien_rugissant.sg rename to songs/le_donjon_de_naheulbeuk/La_compagnie_du_chien_rugissant.sg diff --git a/songs/Le_Donjon_de_Naheulbeuk/La_complainte_de_la_serveuse.sg b/songs/le_donjon_de_naheulbeuk/La_complainte_de_la_serveuse.sg similarity index 100% rename from songs/Le_Donjon_de_Naheulbeuk/La_complainte_de_la_serveuse.sg rename to songs/le_donjon_de_naheulbeuk/La_complainte_de_la_serveuse.sg diff --git a/songs/Le_Donjon_de_Naheulbeuk/La_hache_Durandil.sg b/songs/le_donjon_de_naheulbeuk/La_hache_Durandil.sg similarity index 100% rename from songs/Le_Donjon_de_Naheulbeuk/La_hache_Durandil.sg rename to songs/le_donjon_de_naheulbeuk/La_hache_Durandil.sg diff --git a/songs/Le_Donjon_de_Naheulbeuk/La_polka_du_menestrel.sg b/songs/le_donjon_de_naheulbeuk/La_polka_du_menestrel.sg similarity index 100% rename from songs/Le_Donjon_de_Naheulbeuk/La_polka_du_menestrel.sg rename to songs/le_donjon_de_naheulbeuk/La_polka_du_menestrel.sg diff --git a/songs/Le_Donjon_de_Naheulbeuk/La_vie_d_aventurier.sg b/songs/le_donjon_de_naheulbeuk/La_vie_d_aventurier.sg similarity index 100% rename from songs/Le_Donjon_de_Naheulbeuk/La_vie_d_aventurier.sg rename to songs/le_donjon_de_naheulbeuk/La_vie_d_aventurier.sg diff --git a/songs/Le_Donjon_de_Naheulbeuk/Le_laride_du_poulet.sg b/songs/le_donjon_de_naheulbeuk/Le_laride_du_poulet.sg similarity index 100% rename from songs/Le_Donjon_de_Naheulbeuk/Le_laride_du_poulet.sg rename to songs/le_donjon_de_naheulbeuk/Le_laride_du_poulet.sg diff --git a/songs/Le_Donjon_de_Naheulbeuk/Le_petit_gobelin.sg b/songs/le_donjon_de_naheulbeuk/Le_petit_gobelin.sg similarity index 100% rename from songs/Le_Donjon_de_Naheulbeuk/Le_petit_gobelin.sg rename to songs/le_donjon_de_naheulbeuk/Le_petit_gobelin.sg diff --git a/songs/Le_Donjon_de_Naheulbeuk/Les_chaussettes_du_nain.sg b/songs/le_donjon_de_naheulbeuk/Les_chaussettes_du_nain.sg similarity index 100% rename from songs/Le_Donjon_de_Naheulbeuk/Les_chaussettes_du_nain.sg rename to songs/le_donjon_de_naheulbeuk/Les_chaussettes_du_nain.sg diff --git a/songs/Le_Donjon_de_Naheulbeuk/Les_elfes_de_GreenElven.sg b/songs/le_donjon_de_naheulbeuk/Les_elfes_de_GreenElven.sg similarity index 100% rename from songs/Le_Donjon_de_Naheulbeuk/Les_elfes_de_GreenElven.sg rename to songs/le_donjon_de_naheulbeuk/Les_elfes_de_GreenElven.sg diff --git a/songs/Le_Donjon_de_Naheulbeuk/Les_epees_Durandil.sg b/songs/le_donjon_de_naheulbeuk/Les_epees_Durandil.sg similarity index 100% rename from songs/Le_Donjon_de_Naheulbeuk/Les_epees_Durandil.sg rename to songs/le_donjon_de_naheulbeuk/Les_epees_Durandil.sg diff --git a/songs/Le_Donjon_de_Naheulbeuk/Les_souliers_de_Lady_Fae.sg b/songs/le_donjon_de_naheulbeuk/Les_souliers_de_Lady_Fae.sg similarity index 100% rename from songs/Le_Donjon_de_Naheulbeuk/Les_souliers_de_Lady_Fae.sg rename to songs/le_donjon_de_naheulbeuk/Les_souliers_de_Lady_Fae.sg diff --git a/songs/Le_Donjon_de_Naheulbeuk/Maitre_du_donjon.sg b/songs/le_donjon_de_naheulbeuk/Maitre_du_donjon.sg similarity index 100% rename from songs/Le_Donjon_de_Naheulbeuk/Maitre_du_donjon.sg rename to songs/le_donjon_de_naheulbeuk/Maitre_du_donjon.sg diff --git a/songs/Le_Donjon_de_Naheulbeuk/Marche_barbare.sg b/songs/le_donjon_de_naheulbeuk/Marche_barbare.sg similarity index 100% rename from songs/Le_Donjon_de_Naheulbeuk/Marche_barbare.sg rename to songs/le_donjon_de_naheulbeuk/Marche_barbare.sg diff --git a/songs/Le_Donjon_de_Naheulbeuk/Massacrons_nous_dans_la_taverne.sg b/songs/le_donjon_de_naheulbeuk/Massacrons_nous_dans_la_taverne.sg similarity index 100% rename from songs/Le_Donjon_de_Naheulbeuk/Massacrons_nous_dans_la_taverne.sg rename to songs/le_donjon_de_naheulbeuk/Massacrons_nous_dans_la_taverne.sg diff --git a/songs/Le_Donjon_de_Naheulbeuk/Meme_pas_mage.sg b/songs/le_donjon_de_naheulbeuk/Meme_pas_mage.sg similarity index 100% rename from songs/Le_Donjon_de_Naheulbeuk/Meme_pas_mage.sg rename to songs/le_donjon_de_naheulbeuk/Meme_pas_mage.sg diff --git a/songs/Le_Donjon_de_Naheulbeuk/Mon_ancetre_Gurdil.sg b/songs/le_donjon_de_naheulbeuk/Mon_ancetre_Gurdil.sg similarity index 100% rename from songs/Le_Donjon_de_Naheulbeuk/Mon_ancetre_Gurdil.sg rename to songs/le_donjon_de_naheulbeuk/Mon_ancetre_Gurdil.sg diff --git a/songs/Le_Donjon_de_Naheulbeuk/Nanana_de_l_elfe.sg b/songs/le_donjon_de_naheulbeuk/Nanana_de_l_elfe.sg similarity index 100% rename from songs/Le_Donjon_de_Naheulbeuk/Nanana_de_l_elfe.sg rename to songs/le_donjon_de_naheulbeuk/Nanana_de_l_elfe.sg diff --git a/songs/Le_Donjon_de_Naheulbeuk/Noel_en_Mordor.sg b/songs/le_donjon_de_naheulbeuk/Noel_en_Mordor.sg similarity index 100% rename from songs/Le_Donjon_de_Naheulbeuk/Noel_en_Mordor.sg rename to songs/le_donjon_de_naheulbeuk/Noel_en_Mordor.sg diff --git a/songs/Le_Donjon_de_Naheulbeuk/Tralala_du_nain.sg b/songs/le_donjon_de_naheulbeuk/Tralala_du_nain.sg similarity index 100% rename from songs/Le_Donjon_de_Naheulbeuk/Tralala_du_nain.sg rename to songs/le_donjon_de_naheulbeuk/Tralala_du_nain.sg diff --git a/songs/Le_Donjon_de_Naheulbeuk/Troll_farceur_et_elfe_farci.sg b/songs/le_donjon_de_naheulbeuk/Troll_farceur_et_elfe_farci.sg similarity index 100% rename from songs/Le_Donjon_de_Naheulbeuk/Troll_farceur_et_elfe_farci.sg rename to songs/le_donjon_de_naheulbeuk/Troll_farceur_et_elfe_farci.sg diff --git a/songs/Le_Donjon_de_Naheulbeuk/Un_boulet_dans_le_groupe.sg b/songs/le_donjon_de_naheulbeuk/Un_boulet_dans_le_groupe.sg similarity index 100% rename from songs/Le_Donjon_de_Naheulbeuk/Un_boulet_dans_le_groupe.sg rename to songs/le_donjon_de_naheulbeuk/Un_boulet_dans_le_groupe.sg diff --git a/songs/Le_Donjon_de_Naheulbeuk/a-poil-dans-la-foret.jpg b/songs/le_donjon_de_naheulbeuk/a-poil-dans-la-foret.jpg similarity index 100% rename from songs/Le_Donjon_de_Naheulbeuk/a-poil-dans-la-foret.jpg rename to songs/le_donjon_de_naheulbeuk/a-poil-dans-la-foret.jpg diff --git a/songs/Le_Donjon_de_Naheulbeuk/grimoire-audio.jpg b/songs/le_donjon_de_naheulbeuk/grimoire-audio.jpg similarity index 100% rename from songs/Le_Donjon_de_Naheulbeuk/grimoire-audio.jpg rename to songs/le_donjon_de_naheulbeuk/grimoire-audio.jpg diff --git a/songs/Le_Donjon_de_Naheulbeuk/machins-de-taverne.jpg b/songs/le_donjon_de_naheulbeuk/machins-de-taverne.jpg similarity index 100% rename from songs/Le_Donjon_de_Naheulbeuk/machins-de-taverne.jpg rename to songs/le_donjon_de_naheulbeuk/machins-de-taverne.jpg diff --git a/songs/Le_Donjon_de_Naheulbeuk/t-as-pas-le-niveau.jpg b/songs/le_donjon_de_naheulbeuk/t-as-pas-le-niveau.jpg similarity index 100% rename from songs/Le_Donjon_de_Naheulbeuk/t-as-pas-le-niveau.jpg rename to songs/le_donjon_de_naheulbeuk/t-as-pas-le-niveau.jpg diff --git a/songs/Leonard_Cohen/A_bunch_of_lonesome_heroes.sg b/songs/leonard_cohen/A_bunch_of_lonesome_heroes.sg similarity index 100% rename from songs/Leonard_Cohen/A_bunch_of_lonesome_heroes.sg rename to songs/leonard_cohen/A_bunch_of_lonesome_heroes.sg diff --git a/songs/Leonard_Cohen/If_it_be_your_will.sg b/songs/leonard_cohen/If_it_be_your_will.sg similarity index 100% rename from songs/Leonard_Cohen/If_it_be_your_will.sg rename to songs/leonard_cohen/If_it_be_your_will.sg diff --git a/songs/Leonard_Cohen/Suzanne.sg b/songs/leonard_cohen/Suzanne.sg similarity index 100% rename from songs/Leonard_Cohen/Suzanne.sg rename to songs/leonard_cohen/Suzanne.sg diff --git a/songs/Leonard_Cohen/The_old_revolution.sg b/songs/leonard_cohen/The_old_revolution.sg similarity index 100% rename from songs/Leonard_Cohen/The_old_revolution.sg rename to songs/leonard_cohen/The_old_revolution.sg diff --git a/songs/Leonard_Cohen/Winter_lady.sg b/songs/leonard_cohen/Winter_lady.sg similarity index 100% rename from songs/Leonard_Cohen/Winter_lady.sg rename to songs/leonard_cohen/Winter_lady.sg diff --git a/songs/Leonard_Cohen/songs-from-a-room.jpg b/songs/leonard_cohen/songs-from-a-room.jpg similarity index 100% rename from songs/Leonard_Cohen/songs-from-a-room.jpg rename to songs/leonard_cohen/songs-from-a-room.jpg diff --git a/songs/Leonard_Cohen/songs-of-leonard-cohen.jpg b/songs/leonard_cohen/songs-of-leonard-cohen.jpg similarity index 100% rename from songs/Leonard_Cohen/songs-of-leonard-cohen.jpg rename to songs/leonard_cohen/songs-of-leonard-cohen.jpg diff --git a/songs/Leonard_Cohen/the-collection.jpg b/songs/leonard_cohen/the-collection.jpg similarity index 100% rename from songs/Leonard_Cohen/the-collection.jpg rename to songs/leonard_cohen/the-collection.jpg diff --git a/songs/Les_Amis_D_Ta_Femme/A_las_barricadas.sg b/songs/les_amis_d_ta_femme/A_las_barricadas.sg similarity index 100% rename from songs/Les_Amis_D_Ta_Femme/A_las_barricadas.sg rename to songs/les_amis_d_ta_femme/A_las_barricadas.sg diff --git a/songs/Les_Amis_D_Ta_Femme/Cayenne.sg b/songs/les_amis_d_ta_femme/Cayenne.sg similarity index 100% rename from songs/Les_Amis_D_Ta_Femme/Cayenne.sg rename to songs/les_amis_d_ta_femme/Cayenne.sg diff --git a/songs/Les_Amis_D_Ta_Femme/Laisse_tomber_gros.sg b/songs/les_amis_d_ta_femme/Laisse_tomber_gros.sg similarity index 100% rename from songs/Les_Amis_D_Ta_Femme/Laisse_tomber_gros.sg rename to songs/les_amis_d_ta_femme/Laisse_tomber_gros.sg diff --git a/songs/Les_Amis_D_Ta_Femme/Maree_Basse.sg b/songs/les_amis_d_ta_femme/Maree_Basse.sg similarity index 100% rename from songs/Les_Amis_D_Ta_Femme/Maree_Basse.sg rename to songs/les_amis_d_ta_femme/Maree_Basse.sg diff --git a/songs/Les_Amis_D_Ta_Femme/font-la-difference.jpg b/songs/les_amis_d_ta_femme/font-la-difference.jpg similarity index 100% rename from songs/Les_Amis_D_Ta_Femme/font-la-difference.jpg rename to songs/les_amis_d_ta_femme/font-la-difference.jpg diff --git a/songs/Les_Amis_D_Ta_Femme/lave-toi-la-bouche.jpg b/songs/les_amis_d_ta_femme/lave-toi-la-bouche.jpg similarity index 100% rename from songs/Les_Amis_D_Ta_Femme/lave-toi-la-bouche.jpg rename to songs/les_amis_d_ta_femme/lave-toi-la-bouche.jpg diff --git a/songs/Les_Amis_D_Ta_Femme/le_tango_du_viagra.sg b/songs/les_amis_d_ta_femme/le_tango_du_viagra.sg similarity index 100% rename from songs/Les_Amis_D_Ta_Femme/le_tango_du_viagra.sg rename to songs/les_amis_d_ta_femme/le_tango_du_viagra.sg diff --git a/songs/Les_Amis_D_Ta_Femme/noir-et-rouge-aussi-un-peu.jpg b/songs/les_amis_d_ta_femme/noir-et-rouge-aussi-un-peu.jpg similarity index 100% rename from songs/Les_Amis_D_Ta_Femme/noir-et-rouge-aussi-un-peu.jpg rename to songs/les_amis_d_ta_femme/noir-et-rouge-aussi-un-peu.jpg diff --git a/songs/Les_blerots_de_ravel/Dans_les_gares.sg b/songs/les_blerots_de_ravel/Dans_les_gares.sg similarity index 100% rename from songs/Les_blerots_de_ravel/Dans_les_gares.sg rename to songs/les_blerots_de_ravel/Dans_les_gares.sg diff --git a/songs/Les_blerots_de_ravel/Le_retour_de_Petrouchka.sg b/songs/les_blerots_de_ravel/Le_retour_de_Petrouchka.sg similarity index 100% rename from songs/Les_blerots_de_ravel/Le_retour_de_Petrouchka.sg rename to songs/les_blerots_de_ravel/Le_retour_de_Petrouchka.sg diff --git a/songs/Les_blerots_de_ravel/Les_ptits_plaisirs.sg b/songs/les_blerots_de_ravel/Les_ptits_plaisirs.sg similarity index 100% rename from songs/Les_blerots_de_ravel/Les_ptits_plaisirs.sg rename to songs/les_blerots_de_ravel/Les_ptits_plaisirs.sg diff --git a/songs/Les_blerots_de_ravel/les-joies-sauvages.jpg b/songs/les_blerots_de_ravel/les-joies-sauvages.jpg similarity index 100% rename from songs/Les_blerots_de_ravel/les-joies-sauvages.jpg rename to songs/les_blerots_de_ravel/les-joies-sauvages.jpg diff --git a/songs/Les_blerots_de_ravel/voleurs-du-dimanche.jpg b/songs/les_blerots_de_ravel/voleurs-du-dimanche.jpg similarity index 100% rename from songs/Les_blerots_de_ravel/voleurs-du-dimanche.jpg rename to songs/les_blerots_de_ravel/voleurs-du-dimanche.jpg diff --git a/songs/Les_Booze_Brothers/Fields_of_Athenry.sg b/songs/les_booze_brothers/Fields_of_Athenry.sg similarity index 100% rename from songs/Les_Booze_Brothers/Fields_of_Athenry.sg rename to songs/les_booze_brothers/Fields_of_Athenry.sg diff --git a/songs/Les_Booze_Brothers/I_want_sex.sg b/songs/les_booze_brothers/I_want_sex.sg similarity index 100% rename from songs/Les_Booze_Brothers/I_want_sex.sg rename to songs/les_booze_brothers/I_want_sex.sg diff --git a/songs/Les_Booze_Brothers/elevator.jpg b/songs/les_booze_brothers/elevator.jpg similarity index 100% rename from songs/Les_Booze_Brothers/elevator.jpg rename to songs/les_booze_brothers/elevator.jpg diff --git a/songs/Les_Cowboys_Fringants/1994.sg b/songs/les_cowboys_fringants/1994.sg similarity index 100% rename from songs/Les_Cowboys_Fringants/1994.sg rename to songs/les_cowboys_fringants/1994.sg diff --git a/songs/Les_Cowboys_Fringants/8_secondes.sg b/songs/les_cowboys_fringants/8_secondes.sg similarity index 100% rename from songs/Les_Cowboys_Fringants/8_secondes.sg rename to songs/les_cowboys_fringants/8_secondes.sg diff --git a/songs/Les_Cowboys_Fringants/Ces_temps_ci.sg b/songs/les_cowboys_fringants/Ces_temps_ci.sg similarity index 100% rename from songs/Les_Cowboys_Fringants/Ces_temps_ci.sg rename to songs/les_cowboys_fringants/Ces_temps_ci.sg diff --git a/songs/Les_Cowboys_Fringants/Droit_devant.sg b/songs/les_cowboys_fringants/Droit_devant.sg similarity index 100% rename from songs/Les_Cowboys_Fringants/Droit_devant.sg rename to songs/les_cowboys_fringants/Droit_devant.sg diff --git a/songs/Les_Cowboys_Fringants/Entre_deux_taxis.sg b/songs/les_cowboys_fringants/Entre_deux_taxis.sg similarity index 100% rename from songs/Les_Cowboys_Fringants/Entre_deux_taxis.sg rename to songs/les_cowboys_fringants/Entre_deux_taxis.sg diff --git a/songs/Les_Cowboys_Fringants/Etoiles_filantes.sg b/songs/les_cowboys_fringants/Etoiles_filantes.sg similarity index 100% rename from songs/Les_Cowboys_Fringants/Etoiles_filantes.sg rename to songs/les_cowboys_fringants/Etoiles_filantes.sg diff --git a/songs/Les_Cowboys_Fringants/Hannah.sg b/songs/les_cowboys_fringants/Hannah.sg similarity index 100% rename from songs/Les_Cowboys_Fringants/Hannah.sg rename to songs/les_cowboys_fringants/Hannah.sg diff --git a/songs/Les_Cowboys_Fringants/Histoire_de_peche.sg b/songs/les_cowboys_fringants/Histoire_de_peche.sg similarity index 100% rename from songs/Les_Cowboys_Fringants/Histoire_de_peche.sg rename to songs/les_cowboys_fringants/Histoire_de_peche.sg diff --git a/songs/Les_Cowboys_Fringants/L_horloge.sg b/songs/les_cowboys_fringants/L_horloge.sg similarity index 100% rename from songs/Les_Cowboys_Fringants/L_horloge.sg rename to songs/les_cowboys_fringants/L_horloge.sg diff --git a/songs/Les_Cowboys_Fringants/La_bonne_pomme.sg b/songs/les_cowboys_fringants/La_bonne_pomme.sg similarity index 100% rename from songs/Les_Cowboys_Fringants/La_bonne_pomme.sg rename to songs/les_cowboys_fringants/La_bonne_pomme.sg diff --git a/songs/Les_Cowboys_Fringants/La_manifestation.sg b/songs/les_cowboys_fringants/La_manifestation.sg similarity index 100% rename from songs/Les_Cowboys_Fringants/La_manifestation.sg rename to songs/les_cowboys_fringants/La_manifestation.sg diff --git a/songs/Les_Cowboys_Fringants/La_reine.sg b/songs/les_cowboys_fringants/La_reine.sg similarity index 100% rename from songs/Les_Cowboys_Fringants/La_reine.sg rename to songs/les_cowboys_fringants/La_reine.sg diff --git a/songs/Les_Cowboys_Fringants/Les_hirondelles.sg b/songs/les_cowboys_fringants/Les_hirondelles.sg similarity index 100% rename from songs/Les_Cowboys_Fringants/Les_hirondelles.sg rename to songs/les_cowboys_fringants/Les_hirondelles.sg diff --git a/songs/Les_Cowboys_Fringants/Paris_Montreal.sg b/songs/les_cowboys_fringants/Paris_Montreal.sg similarity index 100% rename from songs/Les_Cowboys_Fringants/Paris_Montreal.sg rename to songs/les_cowboys_fringants/Paris_Montreal.sg diff --git a/songs/Les_Cowboys_Fringants/Plus_rien.sg b/songs/les_cowboys_fringants/Plus_rien.sg similarity index 100% rename from songs/Les_Cowboys_Fringants/Plus_rien.sg rename to songs/les_cowboys_fringants/Plus_rien.sg diff --git a/songs/Les_Cowboys_Fringants/Quand_tu_pars.sg b/songs/les_cowboys_fringants/Quand_tu_pars.sg similarity index 100% rename from songs/Les_Cowboys_Fringants/Quand_tu_pars.sg rename to songs/les_cowboys_fringants/Quand_tu_pars.sg diff --git a/songs/Les_Cowboys_Fringants/Ti-Cul.sg b/songs/les_cowboys_fringants/Ti-Cul.sg similarity index 100% rename from songs/Les_Cowboys_Fringants/Ti-Cul.sg rename to songs/les_cowboys_fringants/Ti-Cul.sg diff --git a/songs/Les_Cowboys_Fringants/Toune_d_automne.sg b/songs/les_cowboys_fringants/Toune_d_automne.sg similarity index 100% rename from songs/Les_Cowboys_Fringants/Toune_d_automne.sg rename to songs/les_cowboys_fringants/Toune_d_automne.sg diff --git a/songs/Les_Cowboys_Fringants/break-syndical.jpg b/songs/les_cowboys_fringants/break-syndical.jpg similarity index 100% rename from songs/Les_Cowboys_Fringants/break-syndical.jpg rename to songs/les_cowboys_fringants/break-syndical.jpg diff --git a/songs/Les_Cowboys_Fringants/l-expedition.jpg b/songs/les_cowboys_fringants/l-expedition.jpg similarity index 100% rename from songs/Les_Cowboys_Fringants/l-expedition.jpg rename to songs/les_cowboys_fringants/l-expedition.jpg diff --git a/songs/Les_Cowboys_Fringants/la-grand-messe.jpg b/songs/les_cowboys_fringants/la-grand-messe.jpg similarity index 100% rename from songs/Les_Cowboys_Fringants/la-grand-messe.jpg rename to songs/les_cowboys_fringants/la-grand-messe.jpg diff --git a/songs/Les_Cowboys_Fringants/que-du-vent.jpg b/songs/les_cowboys_fringants/que-du-vent.jpg similarity index 100% rename from songs/Les_Cowboys_Fringants/que-du-vent.jpg rename to songs/les_cowboys_fringants/que-du-vent.jpg diff --git a/songs/Les_Cowboys_Fringants/sur-un-air-de-deja-vu.jpg b/songs/les_cowboys_fringants/sur-un-air-de-deja-vu.jpg similarity index 100% rename from songs/Les_Cowboys_Fringants/sur-un-air-de-deja-vu.jpg rename to songs/les_cowboys_fringants/sur-un-air-de-deja-vu.jpg diff --git a/songs/Les_Fatals_Picards/Au_mariage_de_Kevin_et_de_ma_soeur.sg b/songs/les_fatals_picards/Au_mariage_de_Kevin_et_de_ma_soeur.sg similarity index 100% rename from songs/Les_Fatals_Picards/Au_mariage_de_Kevin_et_de_ma_soeur.sg rename to songs/les_fatals_picards/Au_mariage_de_Kevin_et_de_ma_soeur.sg diff --git a/songs/Les_Fatals_Picards/Chasse_peche_et_nature.sg b/songs/les_fatals_picards/Chasse_peche_et_nature.sg similarity index 100% rename from songs/Les_Fatals_Picards/Chasse_peche_et_nature.sg rename to songs/les_fatals_picards/Chasse_peche_et_nature.sg diff --git a/songs/Les_Fatals_Picards/Goldorak_est_mort.sg b/songs/les_fatals_picards/Goldorak_est_mort.sg similarity index 100% rename from songs/Les_Fatals_Picards/Goldorak_est_mort.sg rename to songs/les_fatals_picards/Goldorak_est_mort.sg diff --git a/songs/Les_Fatals_Picards/L_amour_a_la_francaise.sg b/songs/les_fatals_picards/L_amour_a_la_francaise.sg similarity index 100% rename from songs/Les_Fatals_Picards/L_amour_a_la_francaise.sg rename to songs/les_fatals_picards/L_amour_a_la_francaise.sg diff --git a/songs/Les_Fatals_Picards/La_ferme.sg b/songs/les_fatals_picards/La_ferme.sg similarity index 100% rename from songs/Les_Fatals_Picards/La_ferme.sg rename to songs/les_fatals_picards/La_ferme.sg diff --git a/songs/Les_Fatals_Picards/La_securite_de_l_emploi.sg b/songs/les_fatals_picards/La_securite_de_l_emploi.sg similarity index 100% rename from songs/Les_Fatals_Picards/La_securite_de_l_emploi.sg rename to songs/les_fatals_picards/La_securite_de_l_emploi.sg diff --git a/songs/Les_Fatals_Picards/Mon_pere_etait_tellement_de_gauche.sg b/songs/les_fatals_picards/Mon_pere_etait_tellement_de_gauche.sg similarity index 100% rename from songs/Les_Fatals_Picards/Mon_pere_etait_tellement_de_gauche.sg rename to songs/les_fatals_picards/Mon_pere_etait_tellement_de_gauche.sg diff --git a/songs/Les_Fatals_Picards/Seul_et_celibataire.sg b/songs/les_fatals_picards/Seul_et_celibataire.sg similarity index 100% rename from songs/Les_Fatals_Picards/Seul_et_celibataire.sg rename to songs/les_fatals_picards/Seul_et_celibataire.sg diff --git a/songs/Les_Fatals_Picards/droit-de-veto.jpg b/songs/les_fatals_picards/droit-de-veto.jpg similarity index 100% rename from songs/Les_Fatals_Picards/droit-de-veto.jpg rename to songs/les_fatals_picards/droit-de-veto.jpg diff --git a/songs/Les_Fatals_Picards/pamplemousse-mecanique.jpg b/songs/les_fatals_picards/pamplemousse-mecanique.jpg similarity index 100% rename from songs/Les_Fatals_Picards/pamplemousse-mecanique.jpg rename to songs/les_fatals_picards/pamplemousse-mecanique.jpg diff --git a/songs/Les_Fatals_Picards/picardia-independanza.jpg b/songs/les_fatals_picards/picardia-independanza.jpg similarity index 100% rename from songs/Les_Fatals_Picards/picardia-independanza.jpg rename to songs/les_fatals_picards/picardia-independanza.jpg diff --git a/songs/Les_Hurlements_d_Leo/A_bout_d_souffle.sg b/songs/les_hurlements_d_leo/A_bout_d_souffle.sg similarity index 100% rename from songs/Les_Hurlements_d_Leo/A_bout_d_souffle.sg rename to songs/les_hurlements_d_leo/A_bout_d_souffle.sg diff --git a/songs/Les_Hurlements_d_Leo/Ici_d_ailleurs.sg b/songs/les_hurlements_d_leo/Ici_d_ailleurs.sg similarity index 100% rename from songs/Les_Hurlements_d_Leo/Ici_d_ailleurs.sg rename to songs/les_hurlements_d_leo/Ici_d_ailleurs.sg diff --git a/songs/Les_Hurlements_d_Leo/La_malle_en_mai.sg b/songs/les_hurlements_d_leo/La_malle_en_mai.sg similarity index 100% rename from songs/Les_Hurlements_d_Leo/La_malle_en_mai.sg rename to songs/les_hurlements_d_leo/La_malle_en_mai.sg diff --git a/songs/Les_Hurlements_d_Leo/Le_cafe_des_jours_heureux.sg b/songs/les_hurlements_d_leo/Le_cafe_des_jours_heureux.sg similarity index 100% rename from songs/Les_Hurlements_d_Leo/Le_cafe_des_jours_heureux.sg rename to songs/les_hurlements_d_leo/Le_cafe_des_jours_heureux.sg diff --git a/songs/Les_Hurlements_d_Leo/Poemes.sg b/songs/les_hurlements_d_leo/Poemes.sg similarity index 100% rename from songs/Les_Hurlements_d_Leo/Poemes.sg rename to songs/les_hurlements_d_leo/Poemes.sg diff --git a/songs/Les_Hurlements_d_Leo/Une_danseuse.sg b/songs/les_hurlements_d_leo/Une_danseuse.sg similarity index 100% rename from songs/Les_Hurlements_d_Leo/Une_danseuse.sg rename to songs/les_hurlements_d_leo/Une_danseuse.sg diff --git a/songs/Les_Hurlements_d_Leo/la-belle-affaire.jpg b/songs/les_hurlements_d_leo/la-belle-affaire.jpg similarity index 100% rename from songs/Les_Hurlements_d_Leo/la-belle-affaire.jpg rename to songs/les_hurlements_d_leo/la-belle-affaire.jpg diff --git a/songs/Les_Hurlements_d_Leo/le-cafe-des-jours-heureux.jpg b/songs/les_hurlements_d_leo/le-cafe-des-jours-heureux.jpg similarity index 100% rename from songs/Les_Hurlements_d_Leo/le-cafe-des-jours-heureux.jpg rename to songs/les_hurlements_d_leo/le-cafe-des-jours-heureux.jpg diff --git a/songs/Les_Innocents/L_autre_finistere.sg b/songs/les_innocents/L_autre_finistere.sg similarity index 100% rename from songs/Les_Innocents/L_autre_finistere.sg rename to songs/les_innocents/L_autre_finistere.sg diff --git a/songs/Les_Innocents/fous-a-lier.jpg b/songs/les_innocents/fous-a-lier.jpg similarity index 100% rename from songs/Les_Innocents/fous-a-lier.jpg rename to songs/les_innocents/fous-a-lier.jpg diff --git a/songs/Les_Momes_du_CE2/Mamadou_avait_mal_aux_dents.sg b/songs/les_momes_du_ce2/Mamadou_avait_mal_aux_dents.sg similarity index 100% rename from songs/Les_Momes_du_CE2/Mamadou_avait_mal_aux_dents.sg rename to songs/les_momes_du_ce2/Mamadou_avait_mal_aux_dents.sg diff --git a/songs/Les_Momes_du_CE2/chansons-rigolotes.jpg b/songs/les_momes_du_ce2/chansons-rigolotes.jpg similarity index 100% rename from songs/Les_Momes_du_CE2/chansons-rigolotes.jpg rename to songs/les_momes_du_ce2/chansons-rigolotes.jpg diff --git a/songs/Les_Naufrages/L_harmonica.sg b/songs/les_naufrages/L_harmonica.sg similarity index 100% rename from songs/Les_Naufrages/L_harmonica.sg rename to songs/les_naufrages/L_harmonica.sg diff --git a/songs/Les_Naufrages/ca-baigne.jpg b/songs/les_naufrages/ca-baigne.jpg similarity index 100% rename from songs/Les_Naufrages/ca-baigne.jpg rename to songs/les_naufrages/ca-baigne.jpg diff --git a/songs/Les_Ogres_de_Barback/3_-_0.sg b/songs/les_ogres_de_barback/3_-_0.sg similarity index 100% rename from songs/Les_Ogres_de_Barback/3_-_0.sg rename to songs/les_ogres_de_barback/3_-_0.sg diff --git a/songs/Les_Ogres_de_Barback/Accordeon_pour_les_cons.sg b/songs/les_ogres_de_barback/Accordeon_pour_les_cons.sg similarity index 100% rename from songs/Les_Ogres_de_Barback/Accordeon_pour_les_cons.sg rename to songs/les_ogres_de_barback/Accordeon_pour_les_cons.sg diff --git a/songs/Les_Ogres_de_Barback/Bumbaia.sg b/songs/les_ogres_de_barback/Bumbaia.sg similarity index 100% rename from songs/Les_Ogres_de_Barback/Bumbaia.sg rename to songs/les_ogres_de_barback/Bumbaia.sg diff --git a/songs/Les_Ogres_de_Barback/Comment_je_suis_devenu_voyageur.sg b/songs/les_ogres_de_barback/Comment_je_suis_devenu_voyageur.sg similarity index 100% rename from songs/Les_Ogres_de_Barback/Comment_je_suis_devenu_voyageur.sg rename to songs/les_ogres_de_barback/Comment_je_suis_devenu_voyageur.sg diff --git a/songs/Les_Ogres_de_Barback/Contes_vents_et_marees.sg b/songs/les_ogres_de_barback/Contes_vents_et_marees.sg similarity index 100% rename from songs/Les_Ogres_de_Barback/Contes_vents_et_marees.sg rename to songs/les_ogres_de_barback/Contes_vents_et_marees.sg diff --git a/songs/Les_Ogres_de_Barback/Croc-noces.jpg b/songs/les_ogres_de_barback/Croc-noces.jpg similarity index 100% rename from songs/Les_Ogres_de_Barback/Croc-noces.jpg rename to songs/les_ogres_de_barback/Croc-noces.jpg diff --git a/songs/Les_Ogres_de_Barback/Grand-mere.sg b/songs/les_ogres_de_barback/Grand-mere.sg similarity index 100% rename from songs/Les_Ogres_de_Barback/Grand-mere.sg rename to songs/les_ogres_de_barback/Grand-mere.sg diff --git a/songs/Les_Ogres_de_Barback/Jojo.sg b/songs/les_ogres_de_barback/Jojo.sg similarity index 100% rename from songs/Les_Ogres_de_Barback/Jojo.sg rename to songs/les_ogres_de_barback/Jojo.sg diff --git a/songs/Les_Ogres_de_Barback/L_air_bete.sg b/songs/les_ogres_de_barback/L_air_bete.sg similarity index 100% rename from songs/Les_Ogres_de_Barback/L_air_bete.sg rename to songs/les_ogres_de_barback/L_air_bete.sg diff --git a/songs/Les_Ogres_de_Barback/L_ennui_et_le_jour.sg b/songs/les_ogres_de_barback/L_ennui_et_le_jour.sg similarity index 100% rename from songs/Les_Ogres_de_Barback/L_ennui_et_le_jour.sg rename to songs/les_ogres_de_barback/L_ennui_et_le_jour.sg diff --git a/songs/Les_Ogres_de_Barback/La_gare_de_Caen.sg b/songs/les_ogres_de_barback/La_gare_de_Caen.sg similarity index 100% rename from songs/Les_Ogres_de_Barback/La_gare_de_Caen.sg rename to songs/les_ogres_de_barback/La_gare_de_Caen.sg diff --git a/songs/Les_Ogres_de_Barback/La_premiere_fois.sg b/songs/les_ogres_de_barback/La_premiere_fois.sg similarity index 100% rename from songs/Les_Ogres_de_Barback/La_premiere_fois.sg rename to songs/les_ogres_de_barback/La_premiere_fois.sg diff --git a/songs/Les_Ogres_de_Barback/Le_temps.sg b/songs/les_ogres_de_barback/Le_temps.sg similarity index 100% rename from songs/Les_Ogres_de_Barback/Le_temps.sg rename to songs/les_ogres_de_barback/Le_temps.sg diff --git a/songs/Les_Ogres_de_Barback/Little_gentleman.sg b/songs/les_ogres_de_barback/Little_gentleman.sg similarity index 100% rename from songs/Les_Ogres_de_Barback/Little_gentleman.sg rename to songs/les_ogres_de_barback/Little_gentleman.sg diff --git a/songs/Les_Ogres_de_Barback/Ma_fille.sg b/songs/les_ogres_de_barback/Ma_fille.sg similarity index 100% rename from songs/Les_Ogres_de_Barback/Ma_fille.sg rename to songs/les_ogres_de_barback/Ma_fille.sg diff --git a/songs/Les_Ogres_de_Barback/Petite_societe.sg b/songs/les_ogres_de_barback/Petite_societe.sg similarity index 100% rename from songs/Les_Ogres_de_Barback/Petite_societe.sg rename to songs/les_ogres_de_barback/Petite_societe.sg diff --git a/songs/Les_Ogres_de_Barback/Poil_aux_yeux.sg b/songs/les_ogres_de_barback/Poil_aux_yeux.sg similarity index 100% rename from songs/Les_Ogres_de_Barback/Poil_aux_yeux.sg rename to songs/les_ogres_de_barback/Poil_aux_yeux.sg diff --git a/songs/Les_Ogres_de_Barback/Ptit_chat.sg b/songs/les_ogres_de_barback/Ptit_chat.sg similarity index 100% rename from songs/Les_Ogres_de_Barback/Ptit_chat.sg rename to songs/les_ogres_de_barback/Ptit_chat.sg diff --git a/songs/Les_Ogres_de_Barback/Rue_Mazarine.sg b/songs/les_ogres_de_barback/Rue_Mazarine.sg similarity index 100% rename from songs/Les_Ogres_de_Barback/Rue_Mazarine.sg rename to songs/les_ogres_de_barback/Rue_Mazarine.sg diff --git a/songs/Les_Ogres_de_Barback/Rue_de_Panam.sg b/songs/les_ogres_de_barback/Rue_de_Panam.sg similarity index 100% rename from songs/Les_Ogres_de_Barback/Rue_de_Panam.sg rename to songs/les_ogres_de_barback/Rue_de_Panam.sg diff --git a/songs/Les_Ogres_de_Barback/Rue_du_temps.sg b/songs/les_ogres_de_barback/Rue_du_temps.sg similarity index 100% rename from songs/Les_Ogres_de_Barback/Rue_du_temps.sg rename to songs/les_ogres_de_barback/Rue_du_temps.sg diff --git a/songs/Les_Ogres_de_Barback/Touche_pas_a_mon_ecole.sg b/songs/les_ogres_de_barback/Touche_pas_a_mon_ecole.sg similarity index 100% rename from songs/Les_Ogres_de_Barback/Touche_pas_a_mon_ecole.sg rename to songs/les_ogres_de_barback/Touche_pas_a_mon_ecole.sg diff --git a/songs/Les_Ogres_de_Barback/comment-je-suis-devenu-voyageur.jpg b/songs/les_ogres_de_barback/comment-je-suis-devenu-voyageur.jpg similarity index 100% rename from songs/Les_Ogres_de_Barback/comment-je-suis-devenu-voyageur.jpg rename to songs/les_ogres_de_barback/comment-je-suis-devenu-voyageur.jpg diff --git a/songs/Les_Ogres_de_Barback/de-bouches-a-oreilles.jpg b/songs/les_ogres_de_barback/de-bouches-a-oreilles.jpg similarity index 100% rename from songs/Les_Ogres_de_Barback/de-bouches-a-oreilles.jpg rename to songs/les_ogres_de_barback/de-bouches-a-oreilles.jpg diff --git a/songs/Les_Ogres_de_Barback/du-simple-au-neant.jpg b/songs/les_ogres_de_barback/du-simple-au-neant.jpg similarity index 100% rename from songs/Les_Ogres_de_Barback/du-simple-au-neant.jpg rename to songs/les_ogres_de_barback/du-simple-au-neant.jpg diff --git a/songs/Les_Ogres_de_Barback/irfan-le-heros.jpg b/songs/les_ogres_de_barback/irfan-le-heros.jpg similarity index 100% rename from songs/Les_Ogres_de_Barback/irfan-le-heros.jpg rename to songs/les_ogres_de_barback/irfan-le-heros.jpg diff --git a/songs/Les_Ogres_de_Barback/la-fanfare-du-belgistan.jpg b/songs/les_ogres_de_barback/la-fanfare-du-belgistan.jpg similarity index 100% rename from songs/Les_Ogres_de_Barback/la-fanfare-du-belgistan.jpg rename to songs/les_ogres_de_barback/la-fanfare-du-belgistan.jpg diff --git a/songs/Les_Ogres_de_Barback/pitt-ocha-2.jpg b/songs/les_ogres_de_barback/pitt-ocha-2.jpg similarity index 100% rename from songs/Les_Ogres_de_Barback/pitt-ocha-2.jpg rename to songs/les_ogres_de_barback/pitt-ocha-2.jpg diff --git a/songs/Les_Ogres_de_Barback/pitt-ocha.jpg b/songs/les_ogres_de_barback/pitt-ocha.jpg similarity index 100% rename from songs/Les_Ogres_de_Barback/pitt-ocha.jpg rename to songs/les_ogres_de_barback/pitt-ocha.jpg diff --git a/songs/Les_Ogres_de_Barback/repris-de-justesse.jpg b/songs/les_ogres_de_barback/repris-de-justesse.jpg similarity index 100% rename from songs/Les_Ogres_de_Barback/repris-de-justesse.jpg rename to songs/les_ogres_de_barback/repris-de-justesse.jpg diff --git a/songs/Les_Ogres_de_Barback/rue-du-temps.jpg b/songs/les_ogres_de_barback/rue-du-temps.jpg similarity index 100% rename from songs/Les_Ogres_de_Barback/rue-du-temps.jpg rename to songs/les_ogres_de_barback/rue-du-temps.jpg diff --git a/songs/Les_Ogres_de_Barback/terrain-vague.jpg b/songs/les_ogres_de_barback/terrain-vague.jpg similarity index 100% rename from songs/Les_Ogres_de_Barback/terrain-vague.jpg rename to songs/les_ogres_de_barback/terrain-vague.jpg diff --git a/songs/Les_Ogres_de_Barback/un-air-deux-familles.jpg b/songs/les_ogres_de_barback/un-air-deux-familles.jpg similarity index 100% rename from songs/Les_Ogres_de_Barback/un-air-deux-familles.jpg rename to songs/les_ogres_de_barback/un-air-deux-familles.jpg diff --git a/songs/Les_Petites_Bourrettes/Dans_la_tete.sg b/songs/les_petites_bourrettes/Dans_la_tete.sg similarity index 100% rename from songs/Les_Petites_Bourrettes/Dans_la_tete.sg rename to songs/les_petites_bourrettes/Dans_la_tete.sg diff --git a/songs/Les_Petites_Bourrettes/Et_si_je_t_aime.sg b/songs/les_petites_bourrettes/Et_si_je_t_aime.sg similarity index 100% rename from songs/Les_Petites_Bourrettes/Et_si_je_t_aime.sg rename to songs/les_petites_bourrettes/Et_si_je_t_aime.sg diff --git a/songs/Les_Petites_Bourrettes/La_vieille.sg b/songs/les_petites_bourrettes/La_vieille.sg similarity index 100% rename from songs/Les_Petites_Bourrettes/La_vieille.sg rename to songs/les_petites_bourrettes/La_vieille.sg diff --git a/songs/Les_Petites_Bourrettes/Notre_monde.sg b/songs/les_petites_bourrettes/Notre_monde.sg similarity index 100% rename from songs/Les_Petites_Bourrettes/Notre_monde.sg rename to songs/les_petites_bourrettes/Notre_monde.sg diff --git a/songs/Les_Petites_Bourrettes/comme-des-rois.jpg b/songs/les_petites_bourrettes/comme-des-rois.jpg similarity index 100% rename from songs/Les_Petites_Bourrettes/comme-des-rois.jpg rename to songs/les_petites_bourrettes/comme-des-rois.jpg diff --git a/songs/Les_Tetes_Raides/L_iditente.sg b/songs/les_tetes_raides/L_iditente.sg similarity index 100% rename from songs/Les_Tetes_Raides/L_iditente.sg rename to songs/les_tetes_raides/L_iditente.sg diff --git a/songs/Les_Tetes_Raides/Patalo.sg b/songs/les_tetes_raides/Patalo.sg similarity index 100% rename from songs/Les_Tetes_Raides/Patalo.sg rename to songs/les_tetes_raides/Patalo.sg diff --git a/songs/Les_Tetes_Raides/gratte-poil.jpg b/songs/les_tetes_raides/gratte-poil.jpg similarity index 100% rename from songs/Les_Tetes_Raides/gratte-poil.jpg rename to songs/les_tetes_raides/gratte-poil.jpg diff --git a/songs/Les_Tit_s_Nassels/Les_tit_s_ballades.sg b/songs/les_tit_s_nassels/Les_tit_s_ballades.sg similarity index 100% rename from songs/Les_Tit_s_Nassels/Les_tit_s_ballades.sg rename to songs/les_tit_s_nassels/Les_tit_s_ballades.sg diff --git a/songs/Les_Tit_s_Nassels/pareil.jpg b/songs/les_tit_s_nassels/pareil.jpg similarity index 100% rename from songs/Les_Tit_s_Nassels/pareil.jpg rename to songs/les_tit_s_nassels/pareil.jpg diff --git a/songs/Les_Vieilles_Valises/Emilie.sg b/songs/les_vieilles_valises/Emilie.sg similarity index 100% rename from songs/Les_Vieilles_Valises/Emilie.sg rename to songs/les_vieilles_valises/Emilie.sg diff --git a/songs/Les_VRP/Leo.sg b/songs/les_vrp/Leo.sg similarity index 100% rename from songs/Les_VRP/Leo.sg rename to songs/les_vrp/Leo.sg diff --git a/songs/Les_VRP/Ramon_Perez.sg b/songs/les_vrp/Ramon_Perez.sg similarity index 100% rename from songs/Les_VRP/Ramon_Perez.sg rename to songs/les_vrp/Ramon_Perez.sg diff --git a/songs/Les_VRP/retire-le-nain.jpg b/songs/les_vrp/retire-le-nain.jpg similarity index 100% rename from songs/Les_VRP/retire-le-nain.jpg rename to songs/les_vrp/retire-le-nain.jpg diff --git a/songs/Les_VRP/vacances-prolongees.jpg b/songs/les_vrp/vacances-prolongees.jpg similarity index 100% rename from songs/Les_VRP/vacances-prolongees.jpg rename to songs/les_vrp/vacances-prolongees.jpg diff --git a/songs/Les_Wriggles/Julie_la_petite_olive.sg b/songs/les_wriggles/Julie_la_petite_olive.sg similarity index 100% rename from songs/Les_Wriggles/Julie_la_petite_olive.sg rename to songs/les_wriggles/Julie_la_petite_olive.sg diff --git a/songs/Les_Wriggles/Monolithe.sg b/songs/les_wriggles/Monolithe.sg similarity index 100% rename from songs/Les_Wriggles/Monolithe.sg rename to songs/les_wriggles/Monolithe.sg diff --git a/songs/Les_Wriggles/Plouf.sg b/songs/les_wriggles/Plouf.sg similarity index 100% rename from songs/Les_Wriggles/Plouf.sg rename to songs/les_wriggles/Plouf.sg diff --git a/songs/Les_Wriggles/Poupine_et_Thierry.sg b/songs/les_wriggles/Poupine_et_Thierry.sg similarity index 100% rename from songs/Les_Wriggles/Poupine_et_Thierry.sg rename to songs/les_wriggles/Poupine_et_Thierry.sg diff --git a/songs/Les_Wriggles/ah-ben-ouais-mais-bon.jpg b/songs/les_wriggles/ah-ben-ouais-mais-bon.jpg similarity index 100% rename from songs/Les_Wriggles/ah-ben-ouais-mais-bon.jpg rename to songs/les_wriggles/ah-ben-ouais-mais-bon.jpg diff --git a/songs/Les_Wriggles/partent-en-live.jpg b/songs/les_wriggles/partent-en-live.jpg similarity index 100% rename from songs/Les_Wriggles/partent-en-live.jpg rename to songs/les_wriggles/partent-en-live.jpg diff --git a/songs/Les_Wriggles/petit_bonhomme.sg b/songs/les_wriggles/petit_bonhomme.sg similarity index 100% rename from songs/Les_Wriggles/petit_bonhomme.sg rename to songs/les_wriggles/petit_bonhomme.sg diff --git a/songs/Les_Wriggles/tant-pis-tant-mieux-.jpg b/songs/les_wriggles/tant-pis-tant-mieux-.jpg similarity index 100% rename from songs/Les_Wriggles/tant-pis-tant-mieux-.jpg rename to songs/les_wriggles/tant-pis-tant-mieux-.jpg diff --git a/songs/Lila_Downs/La_cumbia_del_mole.sg b/songs/lila_downs/La_cumbia_del_mole.sg similarity index 100% rename from songs/Lila_Downs/La_cumbia_del_mole.sg rename to songs/lila_downs/La_cumbia_del_mole.sg diff --git a/songs/Lila_Downs/la-cantina.jpg b/songs/lila_downs/la-cantina.jpg similarity index 100% rename from songs/Lila_Downs/la-cantina.jpg rename to songs/lila_downs/la-cantina.jpg diff --git a/songs/Linkin_Park/Numb.sg b/songs/linkin_park/Numb.sg similarity index 100% rename from songs/Linkin_Park/Numb.sg rename to songs/linkin_park/Numb.sg diff --git a/songs/Linkin_Park/meteora.jpg b/songs/linkin_park/meteora.jpg similarity index 100% rename from songs/Linkin_Park/meteora.jpg rename to songs/linkin_park/meteora.jpg diff --git a/songs/Loic_Lantoine/Cote_punk.sg b/songs/loic_lantoine/Cote_punk.sg similarity index 100% rename from songs/Loic_Lantoine/Cote_punk.sg rename to songs/loic_lantoine/Cote_punk.sg diff --git a/songs/Loic_Lantoine/badaboum.jpg b/songs/loic_lantoine/badaboum.jpg similarity index 100% rename from songs/Loic_Lantoine/badaboum.jpg rename to songs/loic_lantoine/badaboum.jpg diff --git a/songs/Los_Lobos/Cancion_del_Mariachi.sg b/songs/los_lobos/Cancion_del_Mariachi.sg similarity index 100% rename from songs/Los_Lobos/Cancion_del_Mariachi.sg rename to songs/los_lobos/Cancion_del_Mariachi.sg diff --git a/songs/Los_Lobos/Rango_theme_song.sg b/songs/los_lobos/Rango_theme_song.sg similarity index 100% rename from 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b/songs/louis_chedid/Tout_le_monde_se_presse.sg similarity index 100% rename from songs/Louis_Chedid/Tout_le_monde_se_presse.sg rename to songs/louis_chedid/Tout_le_monde_se_presse.sg diff --git a/songs/Louis_Chedid/le-soldat-rose.jpg b/songs/louis_chedid/le-soldat-rose.jpg similarity index 100% rename from songs/Louis_Chedid/le-soldat-rose.jpg rename to songs/louis_chedid/le-soldat-rose.jpg diff --git a/songs/Louise_Attaque/Depuis_toujours.sg b/songs/louise_attaque/Depuis_toujours.sg similarity index 100% rename from songs/Louise_Attaque/Depuis_toujours.sg rename to songs/louise_attaque/Depuis_toujours.sg diff --git a/songs/Louise_Attaque/Je_t_emmene_au_vent.sg b/songs/louise_attaque/Je_t_emmene_au_vent.sg similarity index 100% rename from songs/Louise_Attaque/Je_t_emmene_au_vent.sg rename to songs/louise_attaque/Je_t_emmene_au_vent.sg diff --git a/songs/Louise_Attaque/Lea.sg b/songs/louise_attaque/Lea.sg similarity index 100% rename from songs/Louise_Attaque/Lea.sg rename to songs/louise_attaque/Lea.sg diff --git a/songs/Louise_Attaque/Les_nuits_parisiennes.sg b/songs/louise_attaque/Les_nuits_parisiennes.sg similarity index 100% rename from songs/Louise_Attaque/Les_nuits_parisiennes.sg rename to songs/louise_attaque/Les_nuits_parisiennes.sg diff --git a/songs/Louise_Attaque/Ton_invitation.sg b/songs/louise_attaque/Ton_invitation.sg similarity index 100% rename from songs/Louise_Attaque/Ton_invitation.sg rename to songs/louise_attaque/Ton_invitation.sg diff --git a/songs/Louise_Attaque/a-plus-tard-crocodile.jpg b/songs/louise_attaque/a-plus-tard-crocodile.jpg similarity index 100% rename from songs/Louise_Attaque/a-plus-tard-crocodile.jpg rename to songs/louise_attaque/a-plus-tard-crocodile.jpg diff --git a/songs/Louise_Attaque/louise-attaque.jpg b/songs/louise_attaque/louise-attaque.jpg similarity index 100% rename from songs/Louise_Attaque/louise-attaque.jpg rename to songs/louise_attaque/louise-attaque.jpg diff --git a/songs/Lucienne_Delyle/Mon_amant_de_Saint_Jean.sg b/songs/lucienne_delyle/Mon_amant_de_Saint_Jean.sg similarity index 100% rename from songs/Lucienne_Delyle/Mon_amant_de_Saint_Jean.sg rename to songs/lucienne_delyle/Mon_amant_de_Saint_Jean.sg diff --git a/songs/Lucienne_Delyle/mon-amant.jpg b/songs/lucienne_delyle/mon-amant.jpg similarity index 100% rename from songs/Lucienne_Delyle/mon-amant.jpg rename to songs/lucienne_delyle/mon-amant.jpg diff --git a/songs/Lylloo/Ma_soiree_msn.sg b/songs/lylloo/Ma_soiree_msn.sg similarity index 100% rename from songs/Lylloo/Ma_soiree_msn.sg rename to songs/lylloo/Ma_soiree_msn.sg diff --git a/songs/M/La-seine.jpg b/songs/m/La-seine.jpg similarity index 100% rename from songs/M/La-seine.jpg rename to songs/m/La-seine.jpg diff --git a/songs/M/La_seine.sg b/songs/m/La_seine.sg similarity index 100% rename from songs/M/La_seine.sg rename to songs/m/La_seine.sg diff --git a/songs/Manau/La_tribu_de_Dana.sg b/songs/manau/La_tribu_de_Dana.sg similarity 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index 100% rename from songs/Manu_Chao/Clandestino.sg rename to songs/manu_chao/Clandestino.sg diff --git a/songs/Manu_Chao/Desaparecido.sg b/songs/manu_chao/Desaparecido.sg similarity index 100% rename from songs/Manu_Chao/Desaparecido.sg rename to songs/manu_chao/Desaparecido.sg diff --git a/songs/Manu_Chao/clandestino.jpg b/songs/manu_chao/clandestino.jpg similarity index 100% rename from songs/Manu_Chao/clandestino.jpg rename to songs/manu_chao/clandestino.jpg diff --git a/songs/Manu_Chao/radio-bemba.jpg b/songs/manu_chao/radio-bemba.jpg similarity index 100% rename from songs/Manu_Chao/radio-bemba.jpg rename to songs/manu_chao/radio-bemba.jpg diff --git a/songs/Marie_Cherrier/Les_baleines.sg b/songs/marie_cherrier/Les_baleines.sg similarity index 100% rename from songs/Marie_Cherrier/Les_baleines.sg rename to songs/marie_cherrier/Les_baleines.sg diff --git a/songs/Marie_Cherrier/Manouche.sg b/songs/marie_cherrier/Manouche.sg similarity index 100% rename from songs/Marie_Cherrier/Manouche.sg rename to songs/marie_cherrier/Manouche.sg diff --git a/songs/Marie_Cherrier/ni-vue-ni-connue.jpg b/songs/marie_cherrier/ni-vue-ni-connue.jpg similarity index 100% rename from songs/Marie_Cherrier/ni-vue-ni-connue.jpg rename to songs/marie_cherrier/ni-vue-ni-connue.jpg diff --git a/songs/Marie_Laforet/Ivan_Boris_et_moi.sg b/songs/marie_laforet/Ivan_Boris_et_moi.sg similarity index 100% rename from songs/Marie_Laforet/Ivan_Boris_et_moi.sg rename to songs/marie_laforet/Ivan_Boris_et_moi.sg diff --git a/songs/Marie_Laforet/succes.jpg b/songs/marie_laforet/succes.jpg similarity index 100% rename from songs/Marie_Laforet/succes.jpg rename to songs/marie_laforet/succes.jpg diff --git a/songs/Matmatah/L_apologie.sg b/songs/matmatah/L_apologie.sg similarity index 100% rename from songs/Matmatah/L_apologie.sg rename to songs/matmatah/L_apologie.sg diff --git a/songs/Matmatah/la-ouache.jpg b/songs/matmatah/la-ouache.jpg similarity index 100% rename from songs/Matmatah/la-ouache.jpg rename to songs/matmatah/la-ouache.jpg diff --git a/songs/Matticus/Le_p_tit_gars.sg b/songs/matticus/Le_p_tit_gars.sg similarity index 100% rename from songs/Matticus/Le_p_tit_gars.sg rename to songs/matticus/Le_p_tit_gars.sg diff --git a/songs/Matticus/echange-ton-verre.jpg b/songs/matticus/echange-ton-verre.jpg similarity index 100% rename from songs/Matticus/echange-ton-verre.jpg rename to songs/matticus/echange-ton-verre.jpg diff --git a/songs/Maurice_Dulac/Dis_a_ton_fils.sg b/songs/maurice_dulac/Dis_a_ton_fils.sg similarity index 100% rename from songs/Maurice_Dulac/Dis_a_ton_fils.sg rename to songs/maurice_dulac/Dis_a_ton_fils.sg diff --git a/songs/Maurice_Dulac/dis-a-ton-fils.jpg b/songs/maurice_dulac/dis-a-ton-fils.jpg similarity index 100% rename from songs/Maurice_Dulac/dis-a-ton-fils.jpg rename to songs/maurice_dulac/dis-a-ton-fils.jpg diff --git a/songs/Maxime_Le_Forestier/Comme_un_arbre.sg b/songs/maxime_le_forestier/Comme_un_arbre.sg 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b/songs/maxime_le_forestier/Je_ne_sais_rien_faire.sg similarity index 100% rename from songs/Maxime_Le_Forestier/Je_ne_sais_rien_faire.sg rename to songs/maxime_le_forestier/Je_ne_sais_rien_faire.sg diff --git a/songs/Maxime_Le_Forestier/L_auto_stop.sg b/songs/maxime_le_forestier/L_auto_stop.sg similarity index 100% rename from songs/Maxime_Le_Forestier/L_auto_stop.sg rename to songs/maxime_le_forestier/L_auto_stop.sg diff --git a/songs/Maxime_Le_Forestier/La_rouille.sg b/songs/maxime_le_forestier/La_rouille.sg similarity index 100% rename from songs/Maxime_Le_Forestier/La_rouille.sg rename to songs/maxime_le_forestier/La_rouille.sg diff --git a/songs/Maxime_Le_Forestier/Le_steak.sg b/songs/maxime_le_forestier/Le_steak.sg similarity index 100% rename from songs/Maxime_Le_Forestier/Le_steak.sg rename to songs/maxime_le_forestier/Le_steak.sg diff --git a/songs/Maxime_Le_Forestier/Mon_frere.sg b/songs/maxime_le_forestier/Mon_frere.sg similarity index 100% rename from songs/Maxime_Le_Forestier/Mon_frere.sg rename to songs/maxime_le_forestier/Mon_frere.sg diff --git a/songs/Maxime_Le_Forestier/Parachutiste.sg b/songs/maxime_le_forestier/Parachutiste.sg similarity index 100% rename from songs/Maxime_Le_Forestier/Parachutiste.sg rename to songs/maxime_le_forestier/Parachutiste.sg diff --git a/songs/Maxime_Le_Forestier/Passer_ma_route.sg b/songs/maxime_le_forestier/Passer_ma_route.sg similarity index 100% rename from songs/Maxime_Le_Forestier/Passer_ma_route.sg rename to songs/maxime_le_forestier/Passer_ma_route.sg diff --git a/songs/Maxime_Le_Forestier/San_Fransico.sg b/songs/maxime_le_forestier/San_Fransico.sg similarity index 100% rename from songs/Maxime_Le_Forestier/San_Fransico.sg rename to songs/maxime_le_forestier/San_Fransico.sg diff --git a/songs/Maxime_Le_Forestier/essentielles.jpg b/songs/maxime_le_forestier/essentielles.jpg similarity index 100% rename from songs/Maxime_Le_Forestier/essentielles.jpg rename to 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b/songs/mc_solaar/Caroline.sg similarity index 100% rename from songs/MC_Solaar/Caroline.sg rename to songs/mc_solaar/Caroline.sg diff --git a/songs/MC_Solaar/qui-seme-le-vent-recolte-le-tempo.jpg b/songs/mc_solaar/qui-seme-le-vent-recolte-le-tempo.jpg similarity index 100% rename from songs/MC_Solaar/qui-seme-le-vent-recolte-le-tempo.jpg rename to songs/mc_solaar/qui-seme-le-vent-recolte-le-tempo.jpg diff --git a/songs/Mes_souliers_sont_rouges/5.jpg b/songs/mes_souliers_sont_rouges/5.jpg similarity index 100% rename from songs/Mes_souliers_sont_rouges/5.jpg rename to songs/mes_souliers_sont_rouges/5.jpg diff --git a/songs/Mes_souliers_sont_rouges/Bassin_d_irlande.sg b/songs/mes_souliers_sont_rouges/Bassin_d_irlande.sg similarity index 100% rename from songs/Mes_souliers_sont_rouges/Bassin_d_irlande.sg rename to songs/mes_souliers_sont_rouges/Bassin_d_irlande.sg diff --git a/songs/Mes_souliers_sont_rouges/Cahin_Caha.sg b/songs/mes_souliers_sont_rouges/Cahin_Caha.sg similarity index 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a/songs/Mes_souliers_sont_rouges/Nuit_humide.sg b/songs/mes_souliers_sont_rouges/Nuit_humide.sg similarity index 100% rename from songs/Mes_souliers_sont_rouges/Nuit_humide.sg rename to songs/mes_souliers_sont_rouges/Nuit_humide.sg diff --git a/songs/Mes_souliers_sont_rouges/Sainte-Cecile.sg b/songs/mes_souliers_sont_rouges/Sainte-Cecile.sg similarity index 100% rename from songs/Mes_souliers_sont_rouges/Sainte-Cecile.sg rename to songs/mes_souliers_sont_rouges/Sainte-Cecile.sg diff --git a/songs/Mes_souliers_sont_rouges/Sortis_du_bois.sg b/songs/mes_souliers_sont_rouges/Sortis_du_bois.sg similarity index 100% rename from songs/Mes_souliers_sont_rouges/Sortis_du_bois.sg rename to songs/mes_souliers_sont_rouges/Sortis_du_bois.sg diff --git a/songs/Mes_souliers_sont_rouges/Tape_la_galoche.sg b/songs/mes_souliers_sont_rouges/Tape_la_galoche.sg similarity index 100% rename from songs/Mes_souliers_sont_rouges/Tape_la_galoche.sg rename to songs/mes_souliers_sont_rouges/Tape_la_galoche.sg diff --git a/songs/Mes_souliers_sont_rouges/The_rooster.sg b/songs/mes_souliers_sont_rouges/The_rooster.sg similarity index 100% rename from songs/Mes_souliers_sont_rouges/The_rooster.sg rename to songs/mes_souliers_sont_rouges/The_rooster.sg diff --git a/songs/Mes_souliers_sont_rouges/en-dehors-des-clous.jpg b/songs/mes_souliers_sont_rouges/en-dehors-des-clous.jpg similarity index 100% rename from songs/Mes_souliers_sont_rouges/en-dehors-des-clous.jpg rename to songs/mes_souliers_sont_rouges/en-dehors-des-clous.jpg diff --git a/songs/Mes_souliers_sont_rouges/proches.jpg b/songs/mes_souliers_sont_rouges/proches.jpg similarity index 100% rename from songs/Mes_souliers_sont_rouges/proches.jpg rename to songs/mes_souliers_sont_rouges/proches.jpg diff --git a/songs/Mes_souliers_sont_rouges/tape-la-galoche.jpg b/songs/mes_souliers_sont_rouges/tape-la-galoche.jpg similarity index 100% rename from songs/Mes_souliers_sont_rouges/tape-la-galoche.jpg rename to songs/mes_souliers_sont_rouges/tape-la-galoche.jpg diff --git a/songs/Michel_Fugain/Forteresse.sg b/songs/michel_fugain/Forteresse.sg similarity index 100% rename from songs/Michel_Fugain/Forteresse.sg rename to songs/michel_fugain/Forteresse.sg diff --git a/songs/Michel_Fugain/Je_n_aurai_pas_le_temps.sg b/songs/michel_fugain/Je_n_aurai_pas_le_temps.sg similarity index 100% rename from songs/Michel_Fugain/Je_n_aurai_pas_le_temps.sg rename to songs/michel_fugain/Je_n_aurai_pas_le_temps.sg diff --git a/songs/Michel_Fugain/Les_Acadiens.sg b/songs/michel_fugain/Les_Acadiens.sg similarity index 100% rename from songs/Michel_Fugain/Les_Acadiens.sg rename to songs/michel_fugain/Les_Acadiens.sg diff --git a/songs/Michel_Fugain/live.jpg b/songs/michel_fugain/live.jpg similarity index 100% rename from songs/Michel_Fugain/live.jpg rename to songs/michel_fugain/live.jpg diff --git a/songs/Michel_Fugain/sucre-sale.jpg b/songs/michel_fugain/sucre-sale.jpg similarity index 100% rename from songs/Michel_Fugain/sucre-sale.jpg rename to songs/michel_fugain/sucre-sale.jpg diff --git a/songs/Michel_Sardou/Les_lacs_du_Connemara.sg b/songs/michel_sardou/Les_lacs_du_Connemara.sg similarity index 100% rename from songs/Michel_Sardou/Les_lacs_du_Connemara.sg rename to songs/michel_sardou/Les_lacs_du_Connemara.sg diff --git a/songs/Michel_Sardou/les-grandes-chansons.jpg b/songs/michel_sardou/les-grandes-chansons.jpg similarity index 100% rename from songs/Michel_Sardou/les-grandes-chansons.jpg rename to songs/michel_sardou/les-grandes-chansons.jpg diff --git a/songs/Mon_cote_punk/Inch_Allah.sg b/songs/mon_cote_punk/Inch_Allah.sg similarity index 100% rename from songs/Mon_cote_punk/Inch_Allah.sg rename to songs/mon_cote_punk/Inch_Allah.sg diff --git a/songs/Mon_cote_punk/Youssef.sg b/songs/mon_cote_punk/Youssef.sg similarity index 100% rename from songs/Mon_cote_punk/Youssef.sg rename to songs/mon_cote_punk/Youssef.sg diff --git a/songs/Mon_cote_punk/mon-cote-punk.jpg b/songs/mon_cote_punk/mon-cote-punk.jpg similarity index 100% rename from songs/Mon_cote_punk/mon-cote-punk.jpg rename to songs/mon_cote_punk/mon-cote-punk.jpg diff --git a/songs/Moriarty/Jimmy.sg b/songs/moriarty/Jimmy.sg similarity index 100% rename from songs/Moriarty/Jimmy.sg rename to songs/moriarty/Jimmy.sg diff --git a/songs/Moriarty/gee-whiz-but-this-is-a-lonesome-town.jpg b/songs/moriarty/gee-whiz-but-this-is-a-lonesome-town.jpg similarity index 100% rename from songs/Moriarty/gee-whiz-but-this-is-a-lonesome-town.jpg rename to songs/moriarty/gee-whiz-but-this-is-a-lonesome-town.jpg diff --git a/songs/Negresses_vertes/Sous_le_soleil_de_Bodega.sg b/songs/negresses_vertes/Sous_le_soleil_de_Bodega.sg similarity index 100% rename from songs/Negresses_vertes/Sous_le_soleil_de_Bodega.sg rename to songs/negresses_vertes/Sous_le_soleil_de_Bodega.sg diff --git a/songs/Negresses_vertes/le-grand-deballage.jpg b/songs/negresses_vertes/le-grand-deballage.jpg similarity index 100% rename from songs/Negresses_vertes/le-grand-deballage.jpg rename to songs/negresses_vertes/le-grand-deballage.jpg diff --git a/songs/Negro_Spiritual/Lord_I_want.sg b/songs/negro_spiritual/Lord_I_want.sg similarity index 100% rename from songs/Negro_Spiritual/Lord_I_want.sg rename to songs/negro_spiritual/Lord_I_want.sg diff --git a/songs/Neil_Young/Heart_of_gold.sg b/songs/neil_young/Heart_of_gold.sg similarity index 100% rename from songs/Neil_Young/Heart_of_gold.sg rename to songs/neil_young/Heart_of_gold.sg diff --git a/songs/Neil_Young/harvest-moon.jpg b/songs/neil_young/harvest-moon.jpg similarity index 100% rename from songs/Neil_Young/harvest-moon.jpg rename to songs/neil_young/harvest-moon.jpg diff --git a/songs/Nino_Ferrer/Mirza.sg b/songs/nino_ferrer/Mirza.sg similarity index 100% rename from songs/Nino_Ferrer/Mirza.sg rename to songs/nino_ferrer/Mirza.sg diff --git a/songs/Nino_Ferrer/le-meilleur-de-nino-ferrer.jpg b/songs/nino_ferrer/le-meilleur-de-nino-ferrer.jpg similarity index 100% rename from songs/Nino_Ferrer/le-meilleur-de-nino-ferrer.jpg rename to songs/nino_ferrer/le-meilleur-de-nino-ferrer.jpg diff --git a/songs/Nirvana/Come_as_you_are.sg b/songs/nirvana/Come_as_you_are.sg similarity index 100% rename from songs/Nirvana/Come_as_you_are.sg rename to songs/nirvana/Come_as_you_are.sg diff --git a/songs/Nirvana/Dumb.sg b/songs/nirvana/Dumb.sg similarity index 100% rename from songs/Nirvana/Dumb.sg rename to songs/nirvana/Dumb.sg diff --git a/songs/Nirvana/in-utero.jpg b/songs/nirvana/in-utero.jpg similarity index 100% rename from songs/Nirvana/in-utero.jpg rename to songs/nirvana/in-utero.jpg diff --git a/songs/Nirvana/nevermind.jpg b/songs/nirvana/nevermind.jpg similarity index 100% rename from songs/Nirvana/nevermind.jpg rename to songs/nirvana/nevermind.jpg diff --git a/songs/Noir_Desir/666-667-club.jpg b/songs/noir_desir/666-667-club.jpg similarity index 100% rename from songs/Noir_Desir/666-667-club.jpg rename to songs/noir_desir/666-667-club.jpg diff --git a/songs/Noir_Desir/Aux_sombres_heros_de_l_amer.sg b/songs/noir_desir/Aux_sombres_heros_de_l_amer.sg similarity index 100% rename from songs/Noir_Desir/Aux_sombres_heros_de_l_amer.sg rename to songs/noir_desir/Aux_sombres_heros_de_l_amer.sg diff --git a/songs/Noir_Desir/Charlie.sg b/songs/noir_desir/Charlie.sg similarity index 100% rename from songs/Noir_Desir/Charlie.sg rename to songs/noir_desir/Charlie.sg diff --git a/songs/Noir_Desir/Elle_va_ou_elle_veut.sg b/songs/noir_desir/Elle_va_ou_elle_veut.sg similarity index 100% rename from songs/Noir_Desir/Elle_va_ou_elle_veut.sg rename to songs/noir_desir/Elle_va_ou_elle_veut.sg diff --git a/songs/Noir_Desir/Joey_I.sg b/songs/noir_desir/Joey_I.sg similarity index 100% rename from songs/Noir_Desir/Joey_I.sg rename to songs/noir_desir/Joey_I.sg diff --git a/songs/Noir_Desir/L_homme_presse.sg b/songs/noir_desir/L_homme_presse.sg similarity index 100% rename from songs/Noir_Desir/L_homme_presse.sg rename to songs/noir_desir/L_homme_presse.sg diff --git a/songs/Noir_Desir/La_chaleur.sg b/songs/noir_desir/La_chaleur.sg similarity index 100% rename from songs/Noir_Desir/La_chaleur.sg rename to songs/noir_desir/La_chaleur.sg diff --git a/songs/Noir_Desir/La_rage.sg b/songs/noir_desir/La_rage.sg similarity index 100% rename from songs/Noir_Desir/La_rage.sg rename to songs/noir_desir/La_rage.sg diff --git a/songs/Noir_Desir/Lazy.sg b/songs/noir_desir/Lazy.sg similarity index 100% rename from songs/Noir_Desir/Lazy.sg rename to songs/noir_desir/Lazy.sg diff --git a/songs/Noir_Desir/Le_fleuve.sg b/songs/noir_desir/Le_fleuve.sg similarity index 100% rename from songs/Noir_Desir/Le_fleuve.sg rename to songs/noir_desir/Le_fleuve.sg diff --git a/songs/Noir_Desir/Le_vent_nous_portera.sg b/songs/noir_desir/Le_vent_nous_portera.sg similarity index 100% rename from songs/Noir_Desir/Le_vent_nous_portera.sg rename to songs/noir_desir/Le_vent_nous_portera.sg diff --git a/songs/Noir_Desir/Les_ecorches.sg b/songs/noir_desir/Les_ecorches.sg similarity index 100% rename from songs/Noir_Desir/Les_ecorches.sg rename to songs/noir_desir/Les_ecorches.sg diff --git a/songs/Noir_Desir/Lola.sg b/songs/noir_desir/Lola.sg similarity index 100% rename from songs/Noir_Desir/Lola.sg rename to songs/noir_desir/Lola.sg diff --git a/songs/Noir_Desir/Ou_veux_tu_qu_je_regarde.sg b/songs/noir_desir/Ou_veux_tu_qu_je_regarde.sg similarity index 100% rename from songs/Noir_Desir/Ou_veux_tu_qu_je_regarde.sg rename to songs/noir_desir/Ou_veux_tu_qu_je_regarde.sg diff --git a/songs/Noir_Desir/Si_rien_ne_bouge.sg b/songs/noir_desir/Si_rien_ne_bouge.sg similarity index 100% rename from songs/Noir_Desir/Si_rien_ne_bouge.sg rename to songs/noir_desir/Si_rien_ne_bouge.sg diff --git a/songs/Noir_Desir/The_holy_economic_war.sg b/songs/noir_desir/The_holy_economic_war.sg similarity index 100% rename from songs/Noir_Desir/The_holy_economic_war.sg rename to songs/noir_desir/The_holy_economic_war.sg diff --git a/songs/Noir_Desir/Toujours_etre_ailleurs.sg b/songs/noir_desir/Toujours_etre_ailleurs.sg similarity index 100% rename from songs/Noir_Desir/Toujours_etre_ailleurs.sg rename to songs/noir_desir/Toujours_etre_ailleurs.sg diff --git a/songs/Noir_Desir/Tu_m_donnes_le_mal.sg b/songs/noir_desir/Tu_m_donnes_le_mal.sg similarity index 100% rename from songs/Noir_Desir/Tu_m_donnes_le_mal.sg rename to songs/noir_desir/Tu_m_donnes_le_mal.sg diff --git a/songs/Noir_Desir/des-visages-des-figures.jpg b/songs/noir_desir/des-visages-des-figures.jpg similarity index 100% rename from songs/Noir_Desir/des-visages-des-figures.jpg rename to songs/noir_desir/des-visages-des-figures.jpg diff --git a/songs/Noir_Desir/du-ciment-sous-les-plaines.jpg b/songs/noir_desir/du-ciment-sous-les-plaines.jpg similarity index 100% rename from songs/Noir_Desir/du-ciment-sous-les-plaines.jpg rename to songs/noir_desir/du-ciment-sous-les-plaines.jpg diff --git a/songs/Noir_Desir/ou-veux-tu-que-je-regarde.jpg b/songs/noir_desir/ou-veux-tu-que-je-regarde.jpg similarity index 100% rename from songs/Noir_Desir/ou-veux-tu-que-je-regarde.jpg rename to songs/noir_desir/ou-veux-tu-que-je-regarde.jpg diff --git a/songs/Noir_Desir/veuillez-rendre-l-ame.jpg b/songs/noir_desir/veuillez-rendre-l-ame.jpg similarity index 100% rename from songs/Noir_Desir/veuillez-rendre-l-ame.jpg rename to songs/noir_desir/veuillez-rendre-l-ame.jpg diff --git a/songs/Norah_Jones/Somewhere_over_the_rainbow.sg b/songs/norah_jones/Somewhere_over_the_rainbow.sg similarity index 100% rename from songs/Norah_Jones/Somewhere_over_the_rainbow.sg rename to songs/norah_jones/Somewhere_over_the_rainbow.sg diff --git a/songs/Norah_Jones/come-away-with-me.jpg b/songs/norah_jones/come-away-with-me.jpg similarity index 100% rename from songs/Norah_Jones/come-away-with-me.jpg rename to songs/norah_jones/come-away-with-me.jpg diff --git a/songs/Oasis/Im_outta_time.sg b/songs/oasis/Im_outta_time.sg similarity index 100% rename from songs/Oasis/Im_outta_time.sg rename to songs/oasis/Im_outta_time.sg diff --git a/songs/Oasis/Wonderwall.sg b/songs/oasis/Wonderwall.sg similarity index 100% rename from songs/Oasis/Wonderwall.sg rename to songs/oasis/Wonderwall.sg diff --git a/songs/Oasis/dig-out-your-soul.jpg b/songs/oasis/dig-out-your-soul.jpg similarity index 100% rename from songs/Oasis/dig-out-your-soul.jpg rename to songs/oasis/dig-out-your-soul.jpg diff --git a/songs/Oasis/morning-glory.jpg b/songs/oasis/morning-glory.jpg similarity index 100% rename from songs/Oasis/morning-glory.jpg rename to songs/oasis/morning-glory.jpg diff --git a/songs/Oldelaf_et_Monsieur_D/Cafe.sg b/songs/oldelaf_et_monsieur_d/Cafe.sg similarity index 100% rename from songs/Oldelaf_et_Monsieur_D/Cafe.sg rename to songs/oldelaf_et_monsieur_d/Cafe.sg diff --git a/songs/Oldelaf_et_Monsieur_D/Courseulles_sur_Mer.sg b/songs/oldelaf_et_monsieur_d/Courseulles_sur_Mer.sg similarity index 100% rename from songs/Oldelaf_et_Monsieur_D/Courseulles_sur_Mer.sg rename to songs/oldelaf_et_monsieur_d/Courseulles_sur_Mer.sg diff --git a/songs/Oldelaf_et_Monsieur_D/Davy_Crockett.sg b/songs/oldelaf_et_monsieur_d/Davy_Crockett.sg similarity index 100% rename from songs/Oldelaf_et_Monsieur_D/Davy_Crockett.sg rename to songs/oldelaf_et_monsieur_d/Davy_Crockett.sg diff --git a/songs/Oldelaf_et_Monsieur_D/J_veux_etre_muscle.sg b/songs/oldelaf_et_monsieur_d/J_veux_etre_muscle.sg similarity index 100% rename from songs/Oldelaf_et_Monsieur_D/J_veux_etre_muscle.sg rename to songs/oldelaf_et_monsieur_d/J_veux_etre_muscle.sg diff --git a/songs/Oldelaf_et_Monsieur_D/Le_monde_est_beau.sg b/songs/oldelaf_et_monsieur_d/Le_monde_est_beau.sg similarity index 100% rename from songs/Oldelaf_et_Monsieur_D/Le_monde_est_beau.sg rename to songs/oldelaf_et_monsieur_d/Le_monde_est_beau.sg diff --git a/songs/Oldelaf_et_Monsieur_D/Les_mains_froides.sg b/songs/oldelaf_et_monsieur_d/Les_mains_froides.sg similarity index 100% rename from songs/Oldelaf_et_Monsieur_D/Les_mains_froides.sg rename to songs/oldelaf_et_monsieur_d/Les_mains_froides.sg diff --git a/songs/Oldelaf_et_Monsieur_D/Mamy_blue.sg b/songs/oldelaf_et_monsieur_d/Mamy_blue.sg similarity index 100% rename from songs/Oldelaf_et_Monsieur_D/Mamy_blue.sg rename to songs/oldelaf_et_monsieur_d/Mamy_blue.sg diff --git a/songs/Oldelaf_et_Monsieur_D/Michel.sg b/songs/oldelaf_et_monsieur_d/Michel.sg similarity index 100% rename from songs/Oldelaf_et_Monsieur_D/Michel.sg rename to songs/oldelaf_et_monsieur_d/Michel.sg diff --git a/songs/Oldelaf_et_Monsieur_D/Mon_ange.sg b/songs/oldelaf_et_monsieur_d/Mon_ange.sg similarity index 100% rename from songs/Oldelaf_et_Monsieur_D/Mon_ange.sg rename to songs/oldelaf_et_monsieur_d/Mon_ange.sg diff --git a/songs/Oldelaf_et_Monsieur_D/Mon_testament.sg b/songs/oldelaf_et_monsieur_d/Mon_testament.sg similarity index 100% rename from songs/Oldelaf_et_Monsieur_D/Mon_testament.sg rename to songs/oldelaf_et_monsieur_d/Mon_testament.sg diff --git a/songs/Oldelaf_et_Monsieur_D/Nathalie.sg b/songs/oldelaf_et_monsieur_d/Nathalie.sg similarity index 100% rename from songs/Oldelaf_et_Monsieur_D/Nathalie.sg rename to songs/oldelaf_et_monsieur_d/Nathalie.sg diff --git a/songs/Oldelaf_et_Monsieur_D/Nous_les_vedettes.sg b/songs/oldelaf_et_monsieur_d/Nous_les_vedettes.sg similarity index 100% rename from songs/Oldelaf_et_Monsieur_D/Nous_les_vedettes.sg rename to songs/oldelaf_et_monsieur_d/Nous_les_vedettes.sg diff --git a/songs/Oldelaf_et_Monsieur_D/Petit_Pierrot.sg b/songs/oldelaf_et_monsieur_d/Petit_Pierrot.sg similarity index 100% rename from songs/Oldelaf_et_Monsieur_D/Petit_Pierrot.sg rename to songs/oldelaf_et_monsieur_d/Petit_Pierrot.sg diff --git a/songs/Oldelaf_et_Monsieur_D/Raoul_le_pitbull.sg b/songs/oldelaf_et_monsieur_d/Raoul_le_pitbull.sg similarity index 100% rename from songs/Oldelaf_et_Monsieur_D/Raoul_le_pitbull.sg rename to songs/oldelaf_et_monsieur_d/Raoul_le_pitbull.sg diff --git a/songs/Oldelaf_et_Monsieur_D/Rue_de_Nantes.sg b/songs/oldelaf_et_monsieur_d/Rue_de_Nantes.sg similarity index 100% rename from songs/Oldelaf_et_Monsieur_D/Rue_de_Nantes.sg rename to songs/oldelaf_et_monsieur_d/Rue_de_Nantes.sg diff --git a/songs/Oldelaf_et_Monsieur_D/Super_heros.sg b/songs/oldelaf_et_monsieur_d/Super_heros.sg similarity index 100% rename from songs/Oldelaf_et_Monsieur_D/Super_heros.sg rename to songs/oldelaf_et_monsieur_d/Super_heros.sg diff --git a/songs/Oldelaf_et_Monsieur_D/Trahis.sg b/songs/oldelaf_et_monsieur_d/Trahis.sg similarity index 100% rename from songs/Oldelaf_et_Monsieur_D/Trahis.sg rename to songs/oldelaf_et_monsieur_d/Trahis.sg diff --git a/songs/Oldelaf_et_Monsieur_D/Vendredi.sg b/songs/oldelaf_et_monsieur_d/Vendredi.sg similarity index 100% rename from songs/Oldelaf_et_Monsieur_D/Vendredi.sg rename to songs/oldelaf_et_monsieur_d/Vendredi.sg diff --git a/songs/Oldelaf_et_Monsieur_D/bete-et-mechant.jpg b/songs/oldelaf_et_monsieur_d/bete-et-mechant.jpg similarity index 100% rename from songs/Oldelaf_et_Monsieur_D/bete-et-mechant.jpg rename to songs/oldelaf_et_monsieur_d/bete-et-mechant.jpg diff --git a/songs/Oldelaf_et_Monsieur_D/chansons-cons.jpg b/songs/oldelaf_et_monsieur_d/chansons-cons.jpg similarity index 100% rename from songs/Oldelaf_et_Monsieur_D/chansons-cons.jpg rename to songs/oldelaf_et_monsieur_d/chansons-cons.jpg diff --git a/songs/Oldelaf_et_Monsieur_D/derniere-chance-d-etre-disque-d-or.jpg b/songs/oldelaf_et_monsieur_d/derniere-chance-d-etre-disque-d-or.jpg similarity index 100% rename from songs/Oldelaf_et_Monsieur_D/derniere-chance-d-etre-disque-d-or.jpg rename to songs/oldelaf_et_monsieur_d/derniere-chance-d-etre-disque-d-or.jpg diff --git a/songs/Oldelaf_et_Monsieur_D/l-album-de-la-maturite.jpg b/songs/oldelaf_et_monsieur_d/l-album-de-la-maturite.jpg similarity index 100% rename from songs/Oldelaf_et_Monsieur_D/l-album-de-la-maturite.jpg rename to songs/oldelaf_et_monsieur_d/l-album-de-la-maturite.jpg diff --git a/songs/Oldelaf_et_Monsieur_D/le-monde-est-beau.jpg b/songs/oldelaf_et_monsieur_d/le-monde-est-beau.jpg similarity index 100% rename from songs/Oldelaf_et_Monsieur_D/le-monde-est-beau.jpg rename to songs/oldelaf_et_monsieur_d/le-monde-est-beau.jpg diff --git a/songs/Oldelaf_et_Monsieur_D/lives.jpg b/songs/oldelaf_et_monsieur_d/lives.jpg similarity index 100% rename from songs/Oldelaf_et_Monsieur_D/lives.jpg rename to songs/oldelaf_et_monsieur_d/lives.jpg diff --git a/songs/Outkast/Hey_Ya.sg b/songs/outkast/Hey_Ya.sg similarity index 100% rename from songs/Outkast/Hey_Ya.sg rename to songs/outkast/Hey_Ya.sg diff --git a/songs/Outkast/speakerboxx-lovebelow.jpg b/songs/outkast/speakerboxx-lovebelow.jpg similarity index 100% rename from songs/Outkast/speakerboxx-lovebelow.jpg rename to songs/outkast/speakerboxx-lovebelow.jpg diff --git a/songs/Paco_Ibanez/A_galopar.sg b/songs/paco_ibanez/A_galopar.sg similarity index 100% rename from songs/Paco_Ibanez/A_galopar.sg rename to songs/paco_ibanez/A_galopar.sg diff --git a/songs/Paco_Ibanez/a-galopar.jpg b/songs/paco_ibanez/a-galopar.jpg similarity index 100% rename from songs/Paco_Ibanez/a-galopar.jpg rename to songs/paco_ibanez/a-galopar.jpg diff --git a/songs/Parabellum/Saturnin.sg b/songs/parabellum/Saturnin.sg similarity index 100% rename from songs/Parabellum/Saturnin.sg rename to songs/parabellum/Saturnin.sg diff --git a/songs/Parabellum/dense-microsillon-a-faisceau-de-lumiere-coherente.jpg b/songs/parabellum/dense-microsillon-a-faisceau-de-lumiere-coherente.jpg similarity index 100% rename from songs/Parabellum/dense-microsillon-a-faisceau-de-lumiere-coherente.jpg rename to songs/parabellum/dense-microsillon-a-faisceau-de-lumiere-coherente.jpg diff --git a/songs/Parabellum/in-vivo-veritas.jpg b/songs/parabellum/in-vivo-veritas.jpg similarity index 100% rename from songs/Parabellum/in-vivo-veritas.jpg rename to songs/parabellum/in-vivo-veritas.jpg diff --git a/songs/Parabellum/le_dernier_trocson.sg b/songs/parabellum/le_dernier_trocson.sg similarity index 100% rename from songs/Parabellum/le_dernier_trocson.sg rename to songs/parabellum/le_dernier_trocson.sg diff --git a/songs/Pascale_Picard/Smilin.sg b/songs/pascale_picard/Smilin.sg similarity index 100% rename from songs/Pascale_Picard/Smilin.sg rename to songs/pascale_picard/Smilin.sg diff --git a/songs/Pascale_Picard/me-myself-us.jpg b/songs/pascale_picard/me-myself-us.jpg similarity index 100% rename from songs/Pascale_Picard/me-myself-us.jpg rename to songs/pascale_picard/me-myself-us.jpg diff --git a/songs/Patrick_Bouchitey/Jesus_reviens.sg b/songs/patrick_bouchitey/Jesus_reviens.sg similarity index 100% rename from songs/Patrick_Bouchitey/Jesus_reviens.sg rename to songs/patrick_bouchitey/Jesus_reviens.sg diff --git a/songs/Patrick_Bouchitey/la-vie-est-un-long-fleuve-tranquille.jpg b/songs/patrick_bouchitey/la-vie-est-un-long-fleuve-tranquille.jpg similarity index 100% rename from songs/Patrick_Bouchitey/la-vie-est-un-long-fleuve-tranquille.jpg rename to songs/patrick_bouchitey/la-vie-est-un-long-fleuve-tranquille.jpg diff --git a/songs/Patrick_Coutin/1981.jpg b/songs/patrick_coutin/1981.jpg similarity index 100% rename from songs/Patrick_Coutin/1981.jpg rename to songs/patrick_coutin/1981.jpg diff --git a/songs/Patrick_Coutin/J_aime_regarder_les_filles.sg b/songs/patrick_coutin/J_aime_regarder_les_filles.sg similarity index 100% rename from songs/Patrick_Coutin/J_aime_regarder_les_filles.sg rename to songs/patrick_coutin/J_aime_regarder_les_filles.sg diff --git a/songs/Pep_s/Liberta.sg b/songs/pep_s/Liberta.sg similarity index 100% rename from songs/Pep_s/Liberta.sg rename to songs/pep_s/Liberta.sg diff --git a/songs/Pep_s/suivez-le-flo.jpg b/songs/pep_s/suivez-le-flo.jpg similarity index 100% rename from songs/Pep_s/suivez-le-flo.jpg rename to songs/pep_s/suivez-le-flo.jpg diff --git a/songs/Phil_Barney/Un_enfant_de_toi.sg b/songs/phil_barney/Un_enfant_de_toi.sg similarity index 100% rename from songs/Phil_Barney/Un_enfant_de_toi.sg rename to songs/phil_barney/Un_enfant_de_toi.sg diff --git a/songs/Phil_Barney/recto-verseau.jpg b/songs/phil_barney/recto-verseau.jpg similarity index 100% rename from songs/Phil_Barney/recto-verseau.jpg rename to songs/phil_barney/recto-verseau.jpg diff --git a/songs/Philippe_Chatel/La_chanson_du_herisson.sg b/songs/philippe_chatel/La_chanson_du_herisson.sg similarity index 100% rename from songs/Philippe_Chatel/La_chanson_du_herisson.sg rename to songs/philippe_chatel/La_chanson_du_herisson.sg diff --git a/songs/Philippe_Chatel/La_compagnie_des_lapins_bleus.sg b/songs/philippe_chatel/La_compagnie_des_lapins_bleus.sg similarity index 100% rename from songs/Philippe_Chatel/La_compagnie_des_lapins_bleus.sg rename to songs/philippe_chatel/La_compagnie_des_lapins_bleus.sg diff --git a/songs/Philippe_Chatel/emilie-jolie.jpg b/songs/philippe_chatel/emilie-jolie.jpg similarity index 100% rename from songs/Philippe_Chatel/emilie-jolie.jpg rename to songs/philippe_chatel/emilie-jolie.jpg diff --git a/songs/Philippe_Lavil/Il_tape_sur_des_bambous.sg b/songs/philippe_lavil/Il_tape_sur_des_bambous.sg similarity index 100% rename from songs/Philippe_Lavil/Il_tape_sur_des_bambous.sg rename to songs/philippe_lavil/Il_tape_sur_des_bambous.sg diff --git a/songs/Philippe_Lavil/il-tape-sur-des-bambous.jpg b/songs/philippe_lavil/il-tape-sur-des-bambous.jpg similarity index 100% rename from songs/Philippe_Lavil/il-tape-sur-des-bambous.jpg rename to songs/philippe_lavil/il-tape-sur-des-bambous.jpg diff --git a/songs/Pierre_Bachelet/En_l_an_2001.sg b/songs/pierre_bachelet/En_l_an_2001.sg similarity index 100% rename from songs/Pierre_Bachelet/En_l_an_2001.sg rename to songs/pierre_bachelet/En_l_an_2001.sg diff --git a/songs/Pierre_Bachelet/Vingt_ans.sg b/songs/pierre_bachelet/Vingt_ans.sg similarity index 100% rename from songs/Pierre_Bachelet/Vingt_ans.sg rename to songs/pierre_bachelet/Vingt_ans.sg diff --git a/songs/Pierre_Bachelet/en-l-an-2001.jpg b/songs/pierre_bachelet/en-l-an-2001.jpg similarity index 100% rename from songs/Pierre_Bachelet/en-l-an-2001.jpg rename to songs/pierre_bachelet/en-l-an-2001.jpg diff --git a/songs/Pierre_Bachelet/le-meilleur-de-bachelet.jpg b/songs/pierre_bachelet/le-meilleur-de-bachelet.jpg similarity index 100% rename from songs/Pierre_Bachelet/le-meilleur-de-bachelet.jpg rename to songs/pierre_bachelet/le-meilleur-de-bachelet.jpg diff --git a/songs/Pierre_Perret/Au_cafe_du_canal.sg b/songs/pierre_perret/Au_cafe_du_canal.sg similarity index 100% rename from songs/Pierre_Perret/Au_cafe_du_canal.sg rename to songs/pierre_perret/Au_cafe_du_canal.sg diff --git a/songs/Pierre_Perret/Bernard_Pivot.sg b/songs/pierre_perret/Bernard_Pivot.sg similarity index 100% rename from songs/Pierre_Perret/Bernard_Pivot.sg rename to songs/pierre_perret/Bernard_Pivot.sg diff --git a/songs/Pierre_Perret/Les_jolies_colonies_de_vacances.sg b/songs/pierre_perret/Les_jolies_colonies_de_vacances.sg similarity index 100% rename from songs/Pierre_Perret/Les_jolies_colonies_de_vacances.sg rename to songs/pierre_perret/Les_jolies_colonies_de_vacances.sg diff --git a/songs/Pierre_Perret/Lily.sg b/songs/pierre_perret/Lily.sg similarity index 100% rename from songs/Pierre_Perret/Lily.sg rename to songs/pierre_perret/Lily.sg diff --git a/songs/Pierre_Perret/Mon_ptit_loup.sg b/songs/pierre_perret/Mon_ptit_loup.sg similarity index 100% rename from songs/Pierre_Perret/Mon_ptit_loup.sg rename to songs/pierre_perret/Mon_ptit_loup.sg diff --git a/songs/Pierre_Perret/l-erotisme.jpg b/songs/pierre_perret/l-erotisme.jpg similarity index 100% rename from songs/Pierre_Perret/l-erotisme.jpg rename to songs/pierre_perret/l-erotisme.jpg diff --git a/songs/Pierre_Perret/pierrot-a-l-olympia.jpg b/songs/pierre_perret/pierrot-a-l-olympia.jpg similarity index 100% rename from songs/Pierre_Perret/pierrot-a-l-olympia.jpg rename to songs/pierre_perret/pierrot-a-l-olympia.jpg diff --git a/songs/Pierre_Perret/pierrot-l-amour.jpg b/songs/pierre_perret/pierrot-l-amour.jpg similarity index 100% rename from songs/Pierre_Perret/pierrot-l-amour.jpg rename to songs/pierre_perret/pierrot-l-amour.jpg diff --git a/songs/Pigalle/Dans_la_salle_du_bar_tabac_de_la_rue_des_martyrs.sg b/songs/pigalle/Dans_la_salle_du_bar_tabac_de_la_rue_des_martyrs.sg similarity index 100% rename from songs/Pigalle/Dans_la_salle_du_bar_tabac_de_la_rue_des_martyrs.sg rename to songs/pigalle/Dans_la_salle_du_bar_tabac_de_la_rue_des_martyrs.sg diff --git a/songs/Pigalle/Le_chaland.sg b/songs/pigalle/Le_chaland.sg similarity index 100% rename from songs/Pigalle/Le_chaland.sg rename to songs/pigalle/Le_chaland.sg diff --git a/songs/Pigalle/regards-affliges.jpg b/songs/pigalle/regards-affliges.jpg similarity index 100% rename from songs/Pigalle/regards-affliges.jpg rename to songs/pigalle/regards-affliges.jpg diff --git a/songs/Pixies/Where_Is_My_Mind.sg b/songs/pixies/Where_Is_My_Mind.sg similarity index 100% rename from songs/Pixies/Where_Is_My_Mind.sg rename to songs/pixies/Where_Is_My_Mind.sg diff --git a/songs/Pixies/death-to-the-pixies.jpg b/songs/pixies/death-to-the-pixies.jpg similarity index 100% rename from songs/Pixies/death-to-the-pixies.jpg rename to songs/pixies/death-to-the-pixies.jpg diff --git a/songs/Pornophonique/8-bit-lagerfeuer.jpg b/songs/pornophonique/8-bit-lagerfeuer.jpg similarity index 100% rename from songs/Pornophonique/8-bit-lagerfeuer.jpg rename to songs/pornophonique/8-bit-lagerfeuer.jpg diff --git a/songs/Pornophonique/Sad_robot.sg b/songs/pornophonique/Sad_robot.sg similarity index 100% rename from songs/Pornophonique/Sad_robot.sg rename to songs/pornophonique/Sad_robot.sg diff --git a/songs/Pow_Wow/Le_lion_est_mort_ce_soir.sg b/songs/pow_wow/Le_lion_est_mort_ce_soir.sg similarity index 100% rename from songs/Pow_Wow/Le_lion_est_mort_ce_soir.sg rename to songs/pow_wow/Le_lion_est_mort_ce_soir.sg diff --git a/songs/Pow_Wow/quatre.jpg b/songs/pow_wow/quatre.jpg similarity index 100% rename from songs/Pow_Wow/quatre.jpg rename to songs/pow_wow/quatre.jpg diff --git a/songs/R_E_M/Everybody_hurts.sg b/songs/r_e_m/Everybody_hurts.sg similarity index 100% rename from songs/R_E_M/Everybody_hurts.sg rename to songs/r_e_m/Everybody_hurts.sg diff --git a/songs/R_E_M/Losing_my_religion.sg b/songs/r_e_m/Losing_my_religion.sg similarity index 100% rename from songs/R_E_M/Losing_my_religion.sg rename to songs/r_e_m/Losing_my_religion.sg diff --git a/songs/R_E_M/automatic-for-the-people.jpg b/songs/r_e_m/automatic-for-the-people.jpg similarity index 100% rename from songs/R_E_M/automatic-for-the-people.jpg rename to songs/r_e_m/automatic-for-the-people.jpg diff --git a/songs/R_E_M/out-of-time.jpg b/songs/r_e_m/out-of-time.jpg similarity index 100% rename from songs/R_E_M/out-of-time.jpg rename to songs/r_e_m/out-of-time.jpg diff --git a/songs/Radiohead/Creep.sg b/songs/radiohead/Creep.sg similarity index 100% rename from songs/Radiohead/Creep.sg rename to songs/radiohead/Creep.sg diff --git a/songs/Radiohead/pablo-honey.jpg b/songs/radiohead/pablo-honey.jpg similarity index 100% rename from songs/Radiohead/pablo-honey.jpg rename to songs/radiohead/pablo-honey.jpg diff --git a/songs/Razorlight/America.sg b/songs/razorlight/America.sg similarity index 100% rename from songs/Razorlight/America.sg rename to songs/razorlight/America.sg diff --git a/songs/Razorlight/Razorlight.jpg b/songs/razorlight/Razorlight.jpg similarity index 100% rename from songs/Razorlight/Razorlight.jpg rename to songs/razorlight/Razorlight.jpg diff --git a/songs/Red_Hot_Chili_Peppers/By_the_way.sg b/songs/red_hot_chili_peppers/By_the_way.sg similarity index 100% rename from songs/Red_Hot_Chili_Peppers/By_the_way.sg rename to songs/red_hot_chili_peppers/By_the_way.sg diff --git a/songs/Red_Hot_Chili_Peppers/Californication.sg b/songs/red_hot_chili_peppers/Californication.sg similarity index 100% rename from songs/Red_Hot_Chili_Peppers/Californication.sg rename to songs/red_hot_chili_peppers/Californication.sg diff --git a/songs/Red_Hot_Chili_Peppers/Can_t_stop.sg b/songs/red_hot_chili_peppers/Can_t_stop.sg similarity index 100% rename from songs/Red_Hot_Chili_Peppers/Can_t_stop.sg rename to songs/red_hot_chili_peppers/Can_t_stop.sg diff --git a/songs/Red_Hot_Chili_Peppers/Dani_California.sg b/songs/red_hot_chili_peppers/Dani_California.sg similarity index 100% rename from songs/Red_Hot_Chili_Peppers/Dani_California.sg rename to songs/red_hot_chili_peppers/Dani_California.sg diff --git a/songs/Red_Hot_Chili_Peppers/Road_trippin.sg b/songs/red_hot_chili_peppers/Road_trippin.sg similarity index 100% rename from songs/Red_Hot_Chili_Peppers/Road_trippin.sg rename to songs/red_hot_chili_peppers/Road_trippin.sg diff --git a/songs/Red_Hot_Chili_Peppers/Snow.sg b/songs/red_hot_chili_peppers/Snow.sg similarity index 100% rename from songs/Red_Hot_Chili_Peppers/Snow.sg rename to songs/red_hot_chili_peppers/Snow.sg diff --git a/songs/Red_Hot_Chili_Peppers/Under_the_bridge.sg b/songs/red_hot_chili_peppers/Under_the_bridge.sg similarity index 100% rename from songs/Red_Hot_Chili_Peppers/Under_the_bridge.sg rename to songs/red_hot_chili_peppers/Under_the_bridge.sg diff --git a/songs/Red_Hot_Chili_Peppers/blood-sugar-sex-magik.jpg b/songs/red_hot_chili_peppers/blood-sugar-sex-magik.jpg similarity index 100% rename from songs/Red_Hot_Chili_Peppers/blood-sugar-sex-magik.jpg rename to songs/red_hot_chili_peppers/blood-sugar-sex-magik.jpg diff --git a/songs/Red_Hot_Chili_Peppers/by-the-way.jpg b/songs/red_hot_chili_peppers/by-the-way.jpg similarity index 100% rename from songs/Red_Hot_Chili_Peppers/by-the-way.jpg rename to songs/red_hot_chili_peppers/by-the-way.jpg diff --git a/songs/Red_Hot_Chili_Peppers/californication.jpg b/songs/red_hot_chili_peppers/californication.jpg similarity index 100% rename from songs/Red_Hot_Chili_Peppers/californication.jpg rename to songs/red_hot_chili_peppers/californication.jpg diff --git a/songs/Red_Hot_Chili_Peppers/stadium-arcadium.jpg b/songs/red_hot_chili_peppers/stadium-arcadium.jpg similarity index 100% rename from songs/Red_Hot_Chili_Peppers/stadium-arcadium.jpg rename to songs/red_hot_chili_peppers/stadium-arcadium.jpg diff --git a/songs/Renan_Luce/La_lettre.sg b/songs/renan_luce/La_lettre.sg similarity index 100% rename from songs/Renan_Luce/La_lettre.sg rename to songs/renan_luce/La_lettre.sg diff --git a/songs/Renan_Luce/Monsieur_Marcel.sg b/songs/renan_luce/Monsieur_Marcel.sg similarity index 100% rename from songs/Renan_Luce/Monsieur_Marcel.sg rename to songs/renan_luce/Monsieur_Marcel.sg diff --git a/songs/Renan_Luce/le_lacrymal_circus.sg b/songs/renan_luce/le_lacrymal_circus.sg similarity index 100% rename from songs/Renan_Luce/le_lacrymal_circus.sg rename to songs/renan_luce/le_lacrymal_circus.sg diff --git a/songs/Renan_Luce/monsieur-marcel.jpg b/songs/renan_luce/monsieur-marcel.jpg similarity index 100% rename from songs/Renan_Luce/monsieur-marcel.jpg rename to songs/renan_luce/monsieur-marcel.jpg diff --git a/songs/Renan_Luce/repenti.jpg b/songs/renan_luce/repenti.jpg similarity index 100% rename from songs/Renan_Luce/repenti.jpg rename to songs/renan_luce/repenti.jpg diff --git a/songs/Renaud/Amoureux_de_paname.sg b/songs/renaud/Amoureux_de_paname.sg similarity index 100% rename from songs/Renaud/Amoureux_de_paname.sg rename to songs/renaud/Amoureux_de_paname.sg diff --git a/songs/Renaud/C_est_quand_qu_on_va_ou.sg b/songs/renaud/C_est_quand_qu_on_va_ou.sg similarity index 100% rename from songs/Renaud/C_est_quand_qu_on_va_ou.sg rename to songs/renaud/C_est_quand_qu_on_va_ou.sg diff --git a/songs/Renaud/Chanson_pour_Pierrot.sg b/songs/renaud/Chanson_pour_Pierrot.sg similarity index 100% rename from songs/Renaud/Chanson_pour_Pierrot.sg rename to songs/renaud/Chanson_pour_Pierrot.sg diff --git a/songs/Renaud/Des_que_le_vent_soufflera.sg b/songs/renaud/Des_que_le_vent_soufflera.sg similarity index 100% rename from songs/Renaud/Des_que_le_vent_soufflera.sg rename to songs/renaud/Des_que_le_vent_soufflera.sg diff --git a/songs/Renaud/Docteur_Renaud_Mister_Renard.sg b/songs/renaud/Docteur_Renaud_Mister_Renard.sg similarity index 100% rename from songs/Renaud/Docteur_Renaud_Mister_Renard.sg rename to songs/renaud/Docteur_Renaud_Mister_Renard.sg diff --git a/songs/Renaud/En_cloque.sg b/songs/renaud/En_cloque.sg similarity index 100% rename from songs/Renaud/En_cloque.sg rename to songs/renaud/En_cloque.sg diff --git a/songs/Renaud/Hexagone.sg b/songs/renaud/Hexagone.sg similarity index 100% rename from songs/Renaud/Hexagone.sg rename to songs/renaud/Hexagone.sg diff --git a/songs/Renaud/It_is_not_because_you_are.sg b/songs/renaud/It_is_not_because_you_are.sg similarity index 100% rename from songs/Renaud/It_is_not_because_you_are.sg rename to songs/renaud/It_is_not_because_you_are.sg diff --git a/songs/Renaud/Je_suis_une_bande_de_jeunes.sg b/songs/renaud/Je_suis_une_bande_de_jeunes.sg similarity index 100% rename from songs/Renaud/Je_suis_une_bande_de_jeunes.sg rename to songs/renaud/Je_suis_une_bande_de_jeunes.sg diff --git a/songs/Renaud/La_ballade_nord_irlandaise.sg b/songs/renaud/La_ballade_nord_irlandaise.sg similarity index 100% rename from songs/Renaud/La_ballade_nord_irlandaise.sg rename to songs/renaud/La_ballade_nord_irlandaise.sg diff --git a/songs/Renaud/La_blanche.sg b/songs/renaud/La_blanche.sg similarity index 100% rename from songs/Renaud/La_blanche.sg rename to songs/renaud/La_blanche.sg diff --git a/songs/Renaud/La_chanson_du_loubard.sg b/songs/renaud/La_chanson_du_loubard.sg similarity index 100% rename from songs/Renaud/La_chanson_du_loubard.sg rename to songs/renaud/La_chanson_du_loubard.sg diff --git a/songs/Renaud/Laisse_Beton.sg b/songs/renaud/Laisse_Beton.sg similarity index 100% rename from songs/Renaud/Laisse_Beton.sg rename to songs/renaud/Laisse_Beton.sg diff --git a/songs/Renaud/Ma_gonzesse.sg b/songs/renaud/Ma_gonzesse.sg similarity index 100% rename from songs/Renaud/Ma_gonzesse.sg rename to songs/renaud/Ma_gonzesse.sg diff --git a/songs/Renaud/Manatthan-Kaboul.sg b/songs/renaud/Manatthan-Kaboul.sg similarity index 100% rename from songs/Renaud/Manatthan-Kaboul.sg rename to songs/renaud/Manatthan-Kaboul.sg diff --git a/songs/Renaud/Manu.sg b/songs/renaud/Manu.sg similarity index 100% rename from songs/Renaud/Manu.sg rename to songs/renaud/Manu.sg diff --git a/songs/Renaud/Marche_a_l_ombre.sg b/songs/renaud/Marche_a_l_ombre.sg similarity index 100% rename from songs/Renaud/Marche_a_l_ombre.sg rename to songs/renaud/Marche_a_l_ombre.sg diff --git a/songs/Renaud/Mistral_Gagnant.sg b/songs/renaud/Mistral_Gagnant.sg similarity index 100% rename from songs/Renaud/Mistral_Gagnant.sg rename to songs/renaud/Mistral_Gagnant.sg diff --git a/songs/Renaud/Mort_les_enfants.sg b/songs/renaud/Mort_les_enfants.sg similarity index 100% rename from songs/Renaud/Mort_les_enfants.sg rename to songs/renaud/Mort_les_enfants.sg diff --git a/songs/Renaud/Petite_fillle_des_sombres_rues.sg b/songs/renaud/Petite_fillle_des_sombres_rues.sg similarity index 100% rename from songs/Renaud/Petite_fillle_des_sombres_rues.sg rename to songs/renaud/Petite_fillle_des_sombres_rues.sg diff --git a/songs/Renaud/Salut_manouche.sg b/songs/renaud/Salut_manouche.sg similarity index 100% rename from songs/Renaud/Salut_manouche.sg rename to songs/renaud/Salut_manouche.sg diff --git a/songs/Renaud/Societe_tu_m_auras_pas.sg b/songs/renaud/Societe_tu_m_auras_pas.sg similarity index 100% rename from songs/Renaud/Societe_tu_m_auras_pas.sg rename to songs/renaud/Societe_tu_m_auras_pas.sg diff --git a/songs/Renaud/a-la-belle-de-mai.jpg b/songs/renaud/a-la-belle-de-mai.jpg similarity index 100% rename from songs/Renaud/a-la-belle-de-mai.jpg rename to songs/renaud/a-la-belle-de-mai.jpg diff --git a/songs/Renaud/amoureux-de-paname.jpg b/songs/renaud/amoureux-de-paname.jpg similarity index 100% rename from songs/Renaud/amoureux-de-paname.jpg rename to songs/renaud/amoureux-de-paname.jpg diff --git a/songs/Renaud/boucan-d-enfer.jpg b/songs/renaud/boucan-d-enfer.jpg similarity index 100% rename from songs/Renaud/boucan-d-enfer.jpg rename to songs/renaud/boucan-d-enfer.jpg diff --git a/songs/Renaud/laisse-beton.jpg b/songs/renaud/laisse-beton.jpg similarity index 100% rename from songs/Renaud/laisse-beton.jpg rename to songs/renaud/laisse-beton.jpg diff --git a/songs/Renaud/le-retour-gerard-lambert.jpg b/songs/renaud/le-retour-gerard-lambert.jpg similarity index 100% rename from songs/Renaud/le-retour-gerard-lambert.jpg rename to songs/renaud/le-retour-gerard-lambert.jpg diff --git a/songs/Renaud/ma-gonzesse.jpg b/songs/renaud/ma-gonzesse.jpg similarity index 100% rename from songs/Renaud/ma-gonzesse.jpg rename to songs/renaud/ma-gonzesse.jpg diff --git a/songs/Renaud/marchand-de-cailloux.jpg b/songs/renaud/marchand-de-cailloux.jpg similarity index 100% rename from songs/Renaud/marchand-de-cailloux.jpg rename to songs/renaud/marchand-de-cailloux.jpg diff --git a/songs/Renaud/marche-a-l-ombre.jpg b/songs/renaud/marche-a-l-ombre.jpg similarity index 100% rename from songs/Renaud/marche-a-l-ombre.jpg rename to songs/renaud/marche-a-l-ombre.jpg diff --git a/songs/Renaud/mistral-gagnant.jpg b/songs/renaud/mistral-gagnant.jpg similarity index 100% rename from songs/Renaud/mistral-gagnant.jpg rename to songs/renaud/mistral-gagnant.jpg diff --git a/songs/Renaud/morgane-de-toi.jpg b/songs/renaud/morgane-de-toi.jpg similarity index 100% rename from songs/Renaud/morgane-de-toi.jpg rename to songs/renaud/morgane-de-toi.jpg diff --git a/songs/Ridan/Ulysse.sg b/songs/ridan/Ulysse.sg similarity index 100% rename from songs/Ridan/Ulysse.sg rename to songs/ridan/Ulysse.sg diff --git a/songs/Ridan/l-ange-de-mon-demon.jpg b/songs/ridan/l-ange-de-mon-demon.jpg similarity index 100% rename from songs/Ridan/l-ange-de-mon-demon.jpg rename to songs/ridan/l-ange-de-mon-demon.jpg diff --git a/songs/Rise_Against/Hero_of_war.sg b/songs/rise_against/Hero_of_war.sg similarity index 100% rename from songs/Rise_Against/Hero_of_war.sg rename to songs/rise_against/Hero_of_war.sg diff --git a/songs/Rise_Against/appeal-to-reason.jpg b/songs/rise_against/appeal-to-reason.jpg similarity index 100% rename from songs/Rise_Against/appeal-to-reason.jpg rename to songs/rise_against/appeal-to-reason.jpg diff --git a/songs/Rita_Mitsouko/C_est_comme_ca.sg b/songs/rita_mitsouko/C_est_comme_ca.sg similarity index 100% rename from songs/Rita_Mitsouko/C_est_comme_ca.sg rename to songs/rita_mitsouko/C_est_comme_ca.sg diff --git a/songs/Rita_Mitsouko/the-no-comprendo.jpg b/songs/rita_mitsouko/the-no-comprendo.jpg similarity index 100% rename from songs/Rita_Mitsouko/the-no-comprendo.jpg rename to songs/rita_mitsouko/the-no-comprendo.jpg diff --git a/songs/Ritchie_Valens/Come_on_let_s_go.sg b/songs/ritchie_valens/Come_on_let_s_go.sg similarity index 100% rename from songs/Ritchie_Valens/Come_on_let_s_go.sg rename to songs/ritchie_valens/Come_on_let_s_go.sg diff --git a/songs/Ritchie_Valens/La_bamba.sg b/songs/ritchie_valens/La_bamba.sg similarity index 100% rename from songs/Ritchie_Valens/La_bamba.sg rename to songs/ritchie_valens/La_bamba.sg diff --git a/songs/Ritchie_Valens/come-on-lets-go.jpg b/songs/ritchie_valens/come-on-lets-go.jpg similarity index 100% rename from songs/Ritchie_Valens/come-on-lets-go.jpg rename to songs/ritchie_valens/come-on-lets-go.jpg diff --git a/songs/Ritchie_Valens/la-bamba.jpg b/songs/ritchie_valens/la-bamba.jpg similarity index 100% rename from songs/Ritchie_Valens/la-bamba.jpg rename to songs/ritchie_valens/la-bamba.jpg diff --git a/songs/Roch_Voisine/Helene.sg b/songs/roch_voisine/Helene.sg similarity index 100% rename from songs/Roch_Voisine/Helene.sg rename to songs/roch_voisine/Helene.sg diff --git a/songs/Roch_Voisine/helene.jpg b/songs/roch_voisine/helene.jpg similarity index 100% rename from songs/Roch_Voisine/helene.jpg rename to songs/roch_voisine/helene.jpg diff --git a/songs/Roger_Glover/Love_is_all.sg b/songs/roger_glover/Love_is_all.sg similarity index 100% rename from songs/Roger_Glover/Love_is_all.sg rename to songs/roger_glover/Love_is_all.sg diff --git a/songs/Roger_Glover/the_butterfly_ball.jpg b/songs/roger_glover/the_butterfly_ball.jpg similarity index 100% rename from songs/Roger_Glover/the_butterfly_ball.jpg rename to songs/roger_glover/the_butterfly_ball.jpg diff --git a/songs/Rose/La_liste_de_Rose.sg b/songs/rose/La_liste_de_Rose.sg similarity index 100% rename from songs/Rose/La_liste_de_Rose.sg rename to songs/rose/La_liste_de_Rose.sg diff --git a/songs/Rose/rose.jpg b/songs/rose/rose.jpg similarity index 100% rename from songs/Rose/rose.jpg rename to songs/rose/rose.jpg diff --git a/songs/Sanseverino/Dimanche_dernier.sg b/songs/sanseverino/Dimanche_dernier.sg similarity index 100% rename from songs/Sanseverino/Dimanche_dernier.sg rename to songs/sanseverino/Dimanche_dernier.sg diff --git a/songs/Sanseverino/les-faux-talbins.jpg b/songs/sanseverino/les-faux-talbins.jpg similarity index 100% rename from songs/Sanseverino/les-faux-talbins.jpg rename to songs/sanseverino/les-faux-talbins.jpg diff --git a/songs/Sheepbox/Devil_s_way.sg b/songs/sheepbox/Devil_s_way.sg similarity index 100% rename from songs/Sheepbox/Devil_s_way.sg rename to songs/sheepbox/Devil_s_way.sg diff --git a/songs/Sheepbox/Not_scared_to_die.sg b/songs/sheepbox/Not_scared_to_die.sg similarity index 100% rename from songs/Sheepbox/Not_scared_to_die.sg rename to songs/sheepbox/Not_scared_to_die.sg diff --git a/songs/Sheepbox/sheepbox.jpg b/songs/sheepbox/sheepbox.jpg similarity index 100% rename from songs/Sheepbox/sheepbox.jpg rename to songs/sheepbox/sheepbox.jpg diff --git a/songs/Simon_Garfunkel/April_come_she_will.sg b/songs/simon_garfunkel/April_come_she_will.sg similarity index 100% rename from songs/Simon_Garfunkel/April_come_she_will.sg rename to songs/simon_garfunkel/April_come_she_will.sg diff --git a/songs/Simon_Garfunkel/Cecilia.sg b/songs/simon_garfunkel/Cecilia.sg similarity index 100% rename from songs/Simon_Garfunkel/Cecilia.sg rename to songs/simon_garfunkel/Cecilia.sg diff --git a/songs/Simon_Garfunkel/El_condor_pasa.sg b/songs/simon_garfunkel/El_condor_pasa.sg similarity index 100% rename from songs/Simon_Garfunkel/El_condor_pasa.sg rename to songs/simon_garfunkel/El_condor_pasa.sg diff --git a/songs/Simon_Garfunkel/Feeling_groovy.sg b/songs/simon_garfunkel/Feeling_groovy.sg similarity index 100% rename from songs/Simon_Garfunkel/Feeling_groovy.sg rename to songs/simon_garfunkel/Feeling_groovy.sg diff --git a/songs/Simon_Garfunkel/Kathy_s_song.sg b/songs/simon_garfunkel/Kathy_s_song.sg similarity index 100% rename from songs/Simon_Garfunkel/Kathy_s_song.sg rename to songs/simon_garfunkel/Kathy_s_song.sg diff --git a/songs/Simon_Garfunkel/Me_and_Julio_down_by_the_schoolyard.sg b/songs/simon_garfunkel/Me_and_Julio_down_by_the_schoolyard.sg similarity index 100% rename from songs/Simon_Garfunkel/Me_and_Julio_down_by_the_schoolyard.sg rename to songs/simon_garfunkel/Me_and_Julio_down_by_the_schoolyard.sg diff --git a/songs/Simon_Garfunkel/Mrs_Robinson.sg b/songs/simon_garfunkel/Mrs_Robinson.sg similarity index 100% rename from songs/Simon_Garfunkel/Mrs_Robinson.sg rename to songs/simon_garfunkel/Mrs_Robinson.sg diff --git a/songs/Simon_Garfunkel/Scarborough_Fair.sg b/songs/simon_garfunkel/Scarborough_Fair.sg similarity index 100% rename from songs/Simon_Garfunkel/Scarborough_Fair.sg rename to songs/simon_garfunkel/Scarborough_Fair.sg diff --git a/songs/Simon_Garfunkel/The_boxer.sg b/songs/simon_garfunkel/The_boxer.sg similarity index 100% rename from songs/Simon_Garfunkel/The_boxer.sg rename to songs/simon_garfunkel/The_boxer.sg diff --git a/songs/Simon_Garfunkel/The_leaves_that_are_green.sg b/songs/simon_garfunkel/The_leaves_that_are_green.sg similarity index 100% rename from songs/Simon_Garfunkel/The_leaves_that_are_green.sg rename to songs/simon_garfunkel/The_leaves_that_are_green.sg diff --git a/songs/Simon_Garfunkel/The_only_living_boy_in_New_York.sg b/songs/simon_garfunkel/The_only_living_boy_in_New_York.sg similarity index 100% rename from songs/Simon_Garfunkel/The_only_living_boy_in_New_York.sg rename to songs/simon_garfunkel/The_only_living_boy_in_New_York.sg diff --git a/songs/Simon_Garfunkel/The_sounds_of_silence.sg b/songs/simon_garfunkel/The_sounds_of_silence.sg similarity index 100% rename from songs/Simon_Garfunkel/The_sounds_of_silence.sg rename to songs/simon_garfunkel/The_sounds_of_silence.sg diff --git a/songs/Simon_Garfunkel/Wednesday_morning_3a.m.sg b/songs/simon_garfunkel/Wednesday_morning_3a.m.sg similarity index 100% rename from songs/Simon_Garfunkel/Wednesday_morning_3a.m.sg rename to songs/simon_garfunkel/Wednesday_morning_3a.m.sg diff --git a/songs/Simon_Garfunkel/bridge-over-troubled-water.jpg b/songs/simon_garfunkel/bridge-over-troubled-water.jpg similarity index 100% rename from songs/Simon_Garfunkel/bridge-over-troubled-water.jpg rename to songs/simon_garfunkel/bridge-over-troubled-water.jpg diff --git a/songs/Simon_Garfunkel/concert-in-central-park.jpg b/songs/simon_garfunkel/concert-in-central-park.jpg similarity index 100% rename from songs/Simon_Garfunkel/concert-in-central-park.jpg rename to songs/simon_garfunkel/concert-in-central-park.jpg diff --git a/songs/Simon_Garfunkel/old-friends.jpg b/songs/simon_garfunkel/old-friends.jpg similarity index 100% rename from songs/Simon_Garfunkel/old-friends.jpg rename to songs/simon_garfunkel/old-friends.jpg diff --git a/songs/Simon_Garfunkel/the-definitive.jpg b/songs/simon_garfunkel/the-definitive.jpg similarity index 100% rename from songs/Simon_Garfunkel/the-definitive.jpg rename to songs/simon_garfunkel/the-definitive.jpg diff --git a/songs/Sinsemilia/J_prefere_100_fois.sg b/songs/sinsemilia/J_prefere_100_fois.sg similarity index 100% rename from songs/Sinsemilia/J_prefere_100_fois.sg rename to songs/sinsemilia/J_prefere_100_fois.sg diff --git a/songs/Sinsemilia/resistances.jpg b/songs/sinsemilia/resistances.jpg similarity index 100% rename from songs/Sinsemilia/resistances.jpg rename to songs/sinsemilia/resistances.jpg diff --git a/songs/Sixpence_None_the_Richer/Kiss_me.sg b/songs/sixpence_none_the_richer/Kiss_me.sg similarity index 100% rename from songs/Sixpence_None_the_Richer/Kiss_me.sg rename to songs/sixpence_none_the_richer/Kiss_me.sg diff --git a/songs/Sixpence_None_the_Richer/sixpence-none-the-richer.jpg b/songs/sixpence_none_the_richer/sixpence-none-the-richer.jpg similarity index 100% rename from songs/Sixpence_None_the_Richer/sixpence-none-the-richer.jpg rename to songs/sixpence_none_the_richer/sixpence-none-the-richer.jpg diff --git a/songs/Soan/Emilie.sg b/songs/soan/Emilie.sg similarity index 100% rename from songs/Soan/Emilie.sg rename to songs/soan/Emilie.sg diff --git a/songs/Soan/Pas_pour_lui.sg b/songs/soan/Pas_pour_lui.sg similarity index 100% rename from songs/Soan/Pas_pour_lui.sg rename to songs/soan/Pas_pour_lui.sg diff --git a/songs/Soan/Putain_de_ballerine.sg b/songs/soan/Putain_de_ballerine.sg similarity index 100% rename from songs/Soan/Putain_de_ballerine.sg rename to songs/soan/Putain_de_ballerine.sg diff --git a/songs/Soan/tant-pis.jpg b/songs/soan/tant-pis.jpg similarity index 100% rename from songs/Soan/tant-pis.jpg rename to songs/soan/tant-pis.jpg diff --git a/songs/Soggy_Bottom_Boys/I_am_a_man_of_constant_sorrow.sg b/songs/soggy_bottom_boys/I_am_a_man_of_constant_sorrow.sg similarity index 100% rename from songs/Soggy_Bottom_Boys/I_am_a_man_of_constant_sorrow.sg rename to songs/soggy_bottom_boys/I_am_a_man_of_constant_sorrow.sg diff --git a/songs/Soggy_Bottom_Boys/o-brother.jpg b/songs/soggy_bottom_boys/o-brother.jpg similarity index 100% rename from songs/Soggy_Bottom_Boys/o-brother.jpg rename to songs/soggy_bottom_boys/o-brother.jpg diff --git a/songs/Soldat_Louis/C_est_un_pays.sg b/songs/soldat_louis/C_est_un_pays.sg similarity index 100% rename from songs/Soldat_Louis/C_est_un_pays.sg rename to songs/soldat_louis/C_est_un_pays.sg diff --git a/songs/Soldat_Louis/Du_rhum_des_femmes.sg b/songs/soldat_louis/Du_rhum_des_femmes.sg similarity index 100% rename from songs/Soldat_Louis/Du_rhum_des_femmes.sg rename to songs/soldat_louis/Du_rhum_des_femmes.sg diff --git a/songs/Soldat_Louis/Savannah.sg b/songs/soldat_louis/Savannah.sg similarity index 100% rename from songs/Soldat_Louis/Savannah.sg rename to songs/soldat_louis/Savannah.sg diff --git a/songs/Soldat_Louis/Tirer_des_caisses.sg b/songs/soldat_louis/Tirer_des_caisses.sg similarity index 100% rename from songs/Soldat_Louis/Tirer_des_caisses.sg rename to songs/soldat_louis/Tirer_des_caisses.sg diff --git a/songs/Soldat_Louis/pavillon-noir.jpg b/songs/soldat_louis/pavillon-noir.jpg similarity index 100% rename from songs/Soldat_Louis/pavillon-noir.jpg rename to songs/soldat_louis/pavillon-noir.jpg diff --git a/songs/Soldat_Louis/premiere-bordee.jpg b/songs/soldat_louis/premiere-bordee.jpg similarity index 100% rename from songs/Soldat_Louis/premiere-bordee.jpg rename to songs/soldat_louis/premiere-bordee.jpg diff --git a/songs/Stealers_Wheel/Stuck_in_the_middle_with_you.sg b/songs/stealers_wheel/Stuck_in_the_middle_with_you.sg similarity index 100% rename from songs/Stealers_Wheel/Stuck_in_the_middle_with_you.sg rename to songs/stealers_wheel/Stuck_in_the_middle_with_you.sg diff --git a/songs/Stealers_Wheel/album-stealers-wheel.jpg b/songs/stealers_wheel/album-stealers-wheel.jpg similarity index 100% rename from songs/Stealers_Wheel/album-stealers-wheel.jpg rename to songs/stealers_wheel/album-stealers-wheel.jpg diff --git a/songs/Steve_Waring/La_baleine_bleue.sg b/songs/steve_waring/La_baleine_bleue.sg similarity index 100% rename from songs/Steve_Waring/La_baleine_bleue.sg rename to songs/steve_waring/La_baleine_bleue.sg diff --git a/songs/Steve_Waring/Le_matou.sg b/songs/steve_waring/Le_matou.sg similarity index 100% rename from songs/Steve_Waring/Le_matou.sg rename to songs/steve_waring/Le_matou.sg diff --git a/songs/Steve_Waring/la-baleine-bleue.jpg b/songs/steve_waring/la-baleine-bleue.jpg similarity index 100% rename from songs/Steve_Waring/la-baleine-bleue.jpg rename to songs/steve_waring/la-baleine-bleue.jpg diff --git a/songs/Steve_Waring/le-retour-du-matou.jpg b/songs/steve_waring/le-retour-du-matou.jpg similarity index 100% rename from songs/Steve_Waring/le-retour-du-matou.jpg rename to songs/steve_waring/le-retour-du-matou.jpg diff --git a/songs/Sting/Russians.sg b/songs/sting/Russians.sg similarity index 100% rename from songs/Sting/Russians.sg rename to songs/sting/Russians.sg diff --git a/songs/Sting/the-dream-of-the-blue-turtles.jpg b/songs/sting/the-dream-of-the-blue-turtles.jpg similarity index 100% rename from songs/Sting/the-dream-of-the-blue-turtles.jpg rename to songs/sting/the-dream-of-the-blue-turtles.jpg diff --git a/songs/System_of_a_Down/Roulette.sg b/songs/system_of_a_down/Roulette.sg similarity index 100% rename from songs/System_of_a_Down/Roulette.sg rename to songs/system_of_a_down/Roulette.sg diff --git a/songs/System_of_a_Down/steal-this-album.jpg b/songs/system_of_a_down/steal-this-album.jpg similarity index 100% rename from songs/System_of_a_Down/steal-this-album.jpg rename to songs/system_of_a_down/steal-this-album.jpg diff --git a/songs/Telephone/Cendrillon.sg b/songs/telephone/Cendrillon.sg similarity index 100% rename from songs/Telephone/Cendrillon.sg rename to songs/telephone/Cendrillon.sg diff --git a/songs/Telephone/Le_jour_s_est_leve.sg b/songs/telephone/Le_jour_s_est_leve.sg similarity index 100% rename from songs/Telephone/Le_jour_s_est_leve.sg rename to songs/telephone/Le_jour_s_est_leve.sg diff --git a/songs/Telephone/New_York_avec_toi.sg b/songs/telephone/New_York_avec_toi.sg similarity index 100% rename from songs/Telephone/New_York_avec_toi.sg rename to songs/telephone/New_York_avec_toi.sg diff --git a/songs/Telephone/best-of-telephone.jpg b/songs/telephone/best-of-telephone.jpg similarity index 100% rename from songs/Telephone/best-of-telephone.jpg rename to songs/telephone/best-of-telephone.jpg diff --git a/songs/Telephone/le-jour-s-est-leve.jpg b/songs/telephone/le-jour-s-est-leve.jpg similarity index 100% rename from songs/Telephone/le-jour-s-est-leve.jpg rename to songs/telephone/le-jour-s-est-leve.jpg diff --git a/songs/Telephone/un-autre-monde.jpg b/songs/telephone/un-autre-monde.jpg similarity index 100% rename from songs/Telephone/un-autre-monde.jpg rename to songs/telephone/un-autre-monde.jpg diff --git a/songs/Terra_Naomi/Say_It_s_Possible.sg b/songs/terra_naomi/Say_It_s_Possible.sg similarity index 100% rename from songs/Terra_Naomi/Say_It_s_Possible.sg rename to songs/terra_naomi/Say_It_s_Possible.sg diff --git a/songs/Terra_Naomi/under-the-influence.jpg b/songs/terra_naomi/under-the-influence.jpg similarity index 100% rename from songs/Terra_Naomi/under-the-influence.jpg rename to songs/terra_naomi/under-the-influence.jpg diff --git a/songs/The_Animals/The_house_of_rising_sun.sg b/songs/the_animals/The_house_of_rising_sun.sg similarity index 100% rename from songs/The_Animals/The_house_of_rising_sun.sg rename to songs/the_animals/The_house_of_rising_sun.sg diff --git a/songs/The_Animals/the-animals.jpg b/songs/the_animals/the-animals.jpg similarity index 100% rename from songs/The_Animals/the-animals.jpg rename to songs/the_animals/the-animals.jpg diff --git a/songs/The_Beatles/1.jpg b/songs/the_beatles/1.jpg similarity index 100% rename from songs/The_Beatles/1.jpg rename to songs/the_beatles/1.jpg diff --git a/songs/The_Beatles/Hey_Jude.sg b/songs/the_beatles/Hey_Jude.sg similarity index 100% rename from songs/The_Beatles/Hey_Jude.sg rename to songs/the_beatles/Hey_Jude.sg diff --git a/songs/The_Beatles/Let_it_be.sg b/songs/the_beatles/Let_it_be.sg similarity index 100% rename from songs/The_Beatles/Let_it_be.sg rename to songs/the_beatles/Let_it_be.sg diff --git a/songs/The_Beatles/Ob-la-di_ob-la-da.sg b/songs/the_beatles/Ob-la-di_ob-la-da.sg similarity index 100% rename from songs/The_Beatles/Ob-la-di_ob-la-da.sg rename to songs/the_beatles/Ob-la-di_ob-la-da.sg diff --git a/songs/The_Beatles/Octopus_garden.sg b/songs/the_beatles/Octopus_garden.sg similarity index 100% rename from songs/The_Beatles/Octopus_garden.sg rename to songs/the_beatles/Octopus_garden.sg diff --git a/songs/The_Beatles/Twist_and_shout.sg b/songs/the_beatles/Twist_and_shout.sg similarity index 100% rename from songs/The_Beatles/Twist_and_shout.sg rename to songs/the_beatles/Twist_and_shout.sg diff --git a/songs/The_Beatles/Yellow_submarine.sg b/songs/the_beatles/Yellow_submarine.sg similarity index 100% rename from songs/The_Beatles/Yellow_submarine.sg rename to songs/the_beatles/Yellow_submarine.sg diff --git a/songs/The_Beatles/Yesterday.sg b/songs/the_beatles/Yesterday.sg similarity index 100% rename from songs/The_Beatles/Yesterday.sg rename to songs/the_beatles/Yesterday.sg diff --git a/songs/The_Beatles/let-it-be.jpg b/songs/the_beatles/let-it-be.jpg similarity index 100% rename from songs/The_Beatles/let-it-be.jpg rename to songs/the_beatles/let-it-be.jpg diff --git a/songs/The_Beatles/please-please-me.jpg b/songs/the_beatles/please-please-me.jpg similarity index 100% rename from songs/The_Beatles/please-please-me.jpg rename to songs/the_beatles/please-please-me.jpg diff --git a/songs/The_Beatles/white-album.jpg b/songs/the_beatles/white-album.jpg similarity index 100% rename from songs/The_Beatles/white-album.jpg rename to songs/the_beatles/white-album.jpg diff --git a/songs/The_Beautiful_Girls/La_Mar.sg b/songs/the_beautiful_girls/La_Mar.sg similarity index 100% rename from songs/The_Beautiful_Girls/La_Mar.sg rename to songs/the_beautiful_girls/La_Mar.sg diff --git a/songs/The_Beautiful_Girls/Learn-Yourself.jpg b/songs/the_beautiful_girls/Learn-Yourself.jpg similarity index 100% rename from songs/The_Beautiful_Girls/Learn-Yourself.jpg rename to songs/the_beautiful_girls/Learn-Yourself.jpg diff --git a/songs/The_Bloody_Irish_Boys/Drunk_tonight.sg b/songs/the_bloody_irish_boys/Drunk_tonight.sg similarity index 100% rename from songs/The_Bloody_Irish_Boys/Drunk_tonight.sg rename to songs/the_bloody_irish_boys/Drunk_tonight.sg diff --git a/songs/The_Bloody_Irish_Boys/drunk-rock.jpg b/songs/the_bloody_irish_boys/drunk-rock.jpg similarity index 100% rename from songs/The_Bloody_Irish_Boys/drunk-rock.jpg rename to songs/the_bloody_irish_boys/drunk-rock.jpg diff --git a/songs/The_Calling/Wherever_you_will_go.sg b/songs/the_calling/Wherever_you_will_go.sg similarity index 100% rename from songs/The_Calling/Wherever_you_will_go.sg rename to songs/the_calling/Wherever_you_will_go.sg diff --git a/songs/The_Calling/camino-palmero.jpg b/songs/the_calling/camino-palmero.jpg similarity index 100% rename from songs/The_Calling/camino-palmero.jpg rename to songs/the_calling/camino-palmero.jpg diff --git a/songs/The_Carpenters/Breaking_up_is_hard_to_do.sg b/songs/the_carpenters/Breaking_up_is_hard_to_do.sg similarity index 100% rename from songs/The_Carpenters/Breaking_up_is_hard_to_do.sg rename to songs/the_carpenters/Breaking_up_is_hard_to_do.sg diff --git a/songs/The_Carpenters/a-kind-of-hush.jpg b/songs/the_carpenters/a-kind-of-hush.jpg similarity index 100% rename from songs/The_Carpenters/a-kind-of-hush.jpg rename to songs/the_carpenters/a-kind-of-hush.jpg diff --git a/songs/The_Connells/74_75.sg b/songs/the_connells/74_75.sg similarity index 100% rename from songs/The_Connells/74_75.sg rename to songs/the_connells/74_75.sg diff --git a/songs/The_Connells/ring.jpg b/songs/the_connells/ring.jpg similarity index 100% rename from songs/The_Connells/ring.jpg rename to songs/the_connells/ring.jpg diff --git a/songs/The_Doors/Light_my_fire.sg b/songs/the_doors/Light_my_fire.sg similarity index 100% rename from songs/The_Doors/Light_my_fire.sg rename to songs/the_doors/Light_my_fire.sg diff --git a/songs/The_Doors/the-doors.jpg b/songs/the_doors/the-doors.jpg similarity index 100% rename from songs/The_Doors/the-doors.jpg rename to songs/the_doors/the-doors.jpg diff --git a/songs/The_Dubliners/The_wild_rover.sg b/songs/the_dubliners/The_wild_rover.sg similarity index 100% rename from songs/The_Dubliners/The_wild_rover.sg rename to songs/the_dubliners/The_wild_rover.sg diff --git a/songs/The_Dubliners/Whiskey_in_the_jar.sg b/songs/the_dubliners/Whiskey_in_the_jar.sg similarity index 100% rename from songs/The_Dubliners/Whiskey_in_the_jar.sg rename to songs/the_dubliners/Whiskey_in_the_jar.sg diff --git a/songs/The_Dubliners/irish-pub-songs.jpg b/songs/the_dubliners/irish-pub-songs.jpg similarity index 100% rename from songs/The_Dubliners/irish-pub-songs.jpg rename to songs/the_dubliners/irish-pub-songs.jpg diff --git a/songs/The_Eagles/Hotel_California.sg b/songs/the_eagles/Hotel_California.sg similarity index 100% rename from songs/The_Eagles/Hotel_California.sg rename to songs/the_eagles/Hotel_California.sg diff --git a/songs/The_Eagles/complete-greatest-hits.jpg b/songs/the_eagles/complete-greatest-hits.jpg similarity index 100% rename from songs/The_Eagles/complete-greatest-hits.jpg rename to songs/the_eagles/complete-greatest-hits.jpg diff --git a/songs/The_Fray/How_to_save_a_life.sg b/songs/the_fray/How_to_save_a_life.sg similarity index 100% rename from songs/The_Fray/How_to_save_a_life.sg rename to songs/the_fray/How_to_save_a_life.sg diff --git a/songs/The_Fray/how-to-save-a-life.jpg b/songs/the_fray/how-to-save-a-life.jpg similarity index 100% rename from songs/The_Fray/how-to-save-a-life.jpg rename to songs/the_fray/how-to-save-a-life.jpg diff --git a/songs/The_Innocence_Mission/The_lakes_of_Canada.sg b/songs/the_innocence_mission/The_lakes_of_Canada.sg similarity index 100% rename from songs/The_Innocence_Mission/The_lakes_of_Canada.sg rename to songs/the_innocence_mission/The_lakes_of_Canada.sg diff --git a/songs/The_Innocence_Mission/birds-of-my-neighborhood.jpg b/songs/the_innocence_mission/birds-of-my-neighborhood.jpg similarity index 100% rename from songs/The_Innocence_Mission/birds-of-my-neighborhood.jpg rename to songs/the_innocence_mission/birds-of-my-neighborhood.jpg diff --git a/songs/The_mamas_and_the_papas/California_dream.sg b/songs/the_mamas_and_the_papas/California_dream.sg similarity index 100% rename from songs/The_mamas_and_the_papas/California_dream.sg rename to songs/the_mamas_and_the_papas/California_dream.sg diff --git a/songs/The_mamas_and_the_papas/california-dreamin.jpg b/songs/the_mamas_and_the_papas/california-dreamin.jpg similarity index 100% rename from songs/The_mamas_and_the_papas/california-dreamin.jpg rename to songs/the_mamas_and_the_papas/california-dreamin.jpg diff --git a/songs/The_Moldy_Peaches/Anyone_Else_But_You.sg b/songs/the_moldy_peaches/Anyone_Else_But_You.sg similarity index 100% rename from songs/The_Moldy_Peaches/Anyone_Else_But_You.sg rename to songs/the_moldy_peaches/Anyone_Else_But_You.sg diff --git a/songs/The_Moldy_Peaches/juno.jpg b/songs/the_moldy_peaches/juno.jpg similarity index 100% rename from songs/The_Moldy_Peaches/juno.jpg rename to songs/the_moldy_peaches/juno.jpg diff --git a/songs/The_Nightwatchman/California_s_dark.sg b/songs/the_nightwatchman/California_s_dark.sg similarity index 100% rename from songs/The_Nightwatchman/California_s_dark.sg rename to songs/the_nightwatchman/California_s_dark.sg diff --git a/songs/The_Nightwatchman/Let_freedom_ring.sg b/songs/the_nightwatchman/Let_freedom_ring.sg similarity index 100% rename from songs/The_Nightwatchman/Let_freedom_ring.sg rename to songs/the_nightwatchman/Let_freedom_ring.sg diff --git a/songs/The_Nightwatchman/one-man-revolution.jpg b/songs/the_nightwatchman/one-man-revolution.jpg similarity index 100% rename from songs/The_Nightwatchman/one-man-revolution.jpg rename to songs/the_nightwatchman/one-man-revolution.jpg diff --git a/songs/The_Pogues/Dirty_Old_Town.sg b/songs/the_pogues/Dirty_Old_Town.sg similarity index 100% rename from songs/The_Pogues/Dirty_Old_Town.sg rename to songs/the_pogues/Dirty_Old_Town.sg diff --git a/songs/The_Pogues/Fairytale_of_New_York.sg b/songs/the_pogues/Fairytale_of_New_York.sg similarity index 100% rename from songs/The_Pogues/Fairytale_of_New_York.sg rename to songs/the_pogues/Fairytale_of_New_York.sg diff --git a/songs/The_Pogues/The_Irish_Rover.sg b/songs/the_pogues/The_Irish_Rover.sg similarity index 100% rename from songs/The_Pogues/The_Irish_Rover.sg rename to songs/the_pogues/The_Irish_Rover.sg diff --git a/songs/The_Pogues/best-of-the-pogues.jpg b/songs/the_pogues/best-of-the-pogues.jpg similarity index 100% rename from songs/The_Pogues/best-of-the-pogues.jpg rename to songs/the_pogues/best-of-the-pogues.jpg diff --git a/songs/The_Rolling_Stones/Angie.sg b/songs/the_rolling_stones/Angie.sg similarity index 100% rename from songs/The_Rolling_Stones/Angie.sg rename to songs/the_rolling_stones/Angie.sg diff --git a/songs/The_Rolling_Stones/Paint_it_black.sg b/songs/the_rolling_stones/Paint_it_black.sg similarity index 100% rename from songs/The_Rolling_Stones/Paint_it_black.sg rename to songs/the_rolling_stones/Paint_it_black.sg diff --git a/songs/The_Rolling_Stones/Route_66.sg b/songs/the_rolling_stones/Route_66.sg similarity index 100% rename from songs/The_Rolling_Stones/Route_66.sg rename to songs/the_rolling_stones/Route_66.sg diff --git a/songs/The_Rolling_Stones/Ruby_Tuesday.sg b/songs/the_rolling_stones/Ruby_Tuesday.sg similarity index 100% rename from songs/The_Rolling_Stones/Ruby_Tuesday.sg rename to songs/the_rolling_stones/Ruby_Tuesday.sg diff --git a/songs/The_Rolling_Stones/You_cant_always_get_what_you_want.sg b/songs/the_rolling_stones/You_cant_always_get_what_you_want.sg similarity index 100% rename from songs/The_Rolling_Stones/You_cant_always_get_what_you_want.sg rename to songs/the_rolling_stones/You_cant_always_get_what_you_want.sg diff --git a/songs/The_Rolling_Stones/hot-rocks.jpg b/songs/the_rolling_stones/hot-rocks.jpg similarity index 100% rename from songs/The_Rolling_Stones/hot-rocks.jpg rename to songs/the_rolling_stones/hot-rocks.jpg diff --git a/songs/The_Rolling_Stones/jump-back.jpg b/songs/the_rolling_stones/jump-back.jpg similarity index 100% rename from songs/The_Rolling_Stones/jump-back.jpg rename to songs/the_rolling_stones/jump-back.jpg diff --git a/songs/The_Rolling_Stones/let-it-bleed.jpg b/songs/the_rolling_stones/let-it-bleed.jpg similarity index 100% rename from songs/The_Rolling_Stones/let-it-bleed.jpg rename to songs/the_rolling_stones/let-it-bleed.jpg diff --git a/songs/The_Rolling_Stones/the-rolling-stones.jpg b/songs/the_rolling_stones/the-rolling-stones.jpg similarity index 100% rename from songs/The_Rolling_Stones/the-rolling-stones.jpg rename to songs/the_rolling_stones/the-rolling-stones.jpg diff --git a/songs/The_White_Stripes/Well_it_s_true_that_we_love_one_another.sg b/songs/the_white_stripes/Well_it_s_true_that_we_love_one_another.sg similarity index 100% rename from songs/The_White_Stripes/Well_it_s_true_that_we_love_one_another.sg rename to songs/the_white_stripes/Well_it_s_true_that_we_love_one_another.sg diff --git a/songs/The_White_Stripes/elephant.jpg b/songs/the_white_stripes/elephant.jpg similarity index 100% rename from songs/The_White_Stripes/elephant.jpg rename to songs/the_white_stripes/elephant.jpg diff --git a/songs/Thomas_Fersen/Bambi.sg b/songs/thomas_fersen/Bambi.sg similarity index 100% rename from songs/Thomas_Fersen/Bambi.sg rename to songs/thomas_fersen/Bambi.sg diff --git a/songs/Thomas_Fersen/Chocolat.sg b/songs/thomas_fersen/Chocolat.sg similarity index 100% rename from songs/Thomas_Fersen/Chocolat.sg rename to songs/thomas_fersen/Chocolat.sg diff --git a/songs/Thomas_Fersen/Croque.sg b/songs/thomas_fersen/Croque.sg similarity index 100% rename from songs/Thomas_Fersen/Croque.sg rename to songs/thomas_fersen/Croque.sg diff --git a/songs/Thomas_Fersen/Deux_pieds.sg b/songs/thomas_fersen/Deux_pieds.sg similarity index 100% rename from songs/Thomas_Fersen/Deux_pieds.sg rename to songs/thomas_fersen/Deux_pieds.sg diff --git a/songs/Thomas_Fersen/Diane_de_Poitiers.sg b/songs/thomas_fersen/Diane_de_Poitiers.sg similarity index 100% rename from songs/Thomas_Fersen/Diane_de_Poitiers.sg rename to songs/thomas_fersen/Diane_de_Poitiers.sg diff --git a/songs/Thomas_Fersen/Dugenou.sg b/songs/thomas_fersen/Dugenou.sg similarity index 100% rename from songs/Thomas_Fersen/Dugenou.sg rename to songs/thomas_fersen/Dugenou.sg diff --git a/songs/Thomas_Fersen/Irene.sg b/songs/thomas_fersen/Irene.sg similarity index 100% rename from songs/Thomas_Fersen/Irene.sg rename to songs/thomas_fersen/Irene.sg diff --git a/songs/Thomas_Fersen/Je_n_ai_pas_la_gale.sg b/songs/thomas_fersen/Je_n_ai_pas_la_gale.sg similarity index 100% rename from songs/Thomas_Fersen/Je_n_ai_pas_la_gale.sg rename to songs/thomas_fersen/Je_n_ai_pas_la_gale.sg diff --git a/songs/Thomas_Fersen/L_histoire_d_une_heure.sg b/songs/thomas_fersen/L_histoire_d_une_heure.sg similarity index 100% rename from songs/Thomas_Fersen/L_histoire_d_une_heure.sg rename to songs/thomas_fersen/L_histoire_d_une_heure.sg diff --git a/songs/Thomas_Fersen/La_malle.sg b/songs/thomas_fersen/La_malle.sg similarity index 100% rename from songs/Thomas_Fersen/La_malle.sg rename to songs/thomas_fersen/La_malle.sg diff --git a/songs/Thomas_Fersen/Le_balafre.sg b/songs/thomas_fersen/Le_balafre.sg similarity index 100% rename from songs/Thomas_Fersen/Le_balafre.sg rename to songs/thomas_fersen/Le_balafre.sg diff --git a/songs/Thomas_Fersen/Le_bouton.sg b/songs/thomas_fersen/Le_bouton.sg similarity index 100% rename from songs/Thomas_Fersen/Le_bouton.sg rename to songs/thomas_fersen/Le_bouton.sg diff --git a/songs/Thomas_Fersen/Le_chat_botte.sg b/songs/thomas_fersen/Le_chat_botte.sg similarity index 100% rename from songs/Thomas_Fersen/Le_chat_botte.sg rename to songs/thomas_fersen/Le_chat_botte.sg diff --git a/songs/Thomas_Fersen/Les_cravates.sg b/songs/thomas_fersen/Les_cravates.sg similarity index 100% rename from songs/Thomas_Fersen/Les_cravates.sg rename to songs/thomas_fersen/Les_cravates.sg diff --git a/songs/Thomas_Fersen/Les_malheurs_du_lion.sg b/songs/thomas_fersen/Les_malheurs_du_lion.sg similarity index 100% rename from songs/Thomas_Fersen/Les_malheurs_du_lion.sg rename to songs/thomas_fersen/Les_malheurs_du_lion.sg diff --git a/songs/Thomas_Fersen/Louise.sg b/songs/thomas_fersen/Louise.sg similarity index 100% rename from songs/Thomas_Fersen/Louise.sg rename to songs/thomas_fersen/Louise.sg diff --git a/songs/Thomas_Fersen/Mon_iguanodon.sg b/songs/thomas_fersen/Mon_iguanodon.sg similarity index 100% rename from songs/Thomas_Fersen/Mon_iguanodon.sg rename to songs/thomas_fersen/Mon_iguanodon.sg diff --git a/songs/Thomas_Fersen/Mon_macabre.sg b/songs/thomas_fersen/Mon_macabre.sg similarity index 100% rename from songs/Thomas_Fersen/Mon_macabre.sg rename to songs/thomas_fersen/Mon_macabre.sg diff --git a/songs/Thomas_Fersen/Monsieur.sg b/songs/thomas_fersen/Monsieur.sg similarity index 100% rename from songs/Thomas_Fersen/Monsieur.sg rename to songs/thomas_fersen/Monsieur.sg diff --git a/songs/Thomas_Fersen/Parfois_au_clair_de_lune.sg b/songs/thomas_fersen/Parfois_au_clair_de_lune.sg similarity index 100% rename from songs/Thomas_Fersen/Parfois_au_clair_de_lune.sg rename to songs/thomas_fersen/Parfois_au_clair_de_lune.sg diff --git a/songs/Thomas_Fersen/Pegase.sg b/songs/thomas_fersen/Pegase.sg similarity index 100% rename from songs/Thomas_Fersen/Pegase.sg rename to songs/thomas_fersen/Pegase.sg diff --git a/songs/Thomas_Fersen/Punaise.sg b/songs/thomas_fersen/Punaise.sg similarity index 100% rename from songs/Thomas_Fersen/Punaise.sg rename to songs/thomas_fersen/Punaise.sg diff --git a/songs/Thomas_Fersen/Que_l_on_est_bete.sg b/songs/thomas_fersen/Que_l_on_est_bete.sg similarity index 100% rename from songs/Thomas_Fersen/Que_l_on_est_bete.sg rename to songs/thomas_fersen/Que_l_on_est_bete.sg diff --git a/songs/Thomas_Fersen/Rititi_ratata_il_parait_qu_elles_aiment_.sg b/songs/thomas_fersen/Rititi_ratata_il_parait_qu_elles_aiment_.sg similarity index 100% rename from songs/Thomas_Fersen/Rititi_ratata_il_parait_qu_elles_aiment_.sg rename to songs/thomas_fersen/Rititi_ratata_il_parait_qu_elles_aiment_.sg diff --git a/songs/Thomas_Fersen/Zaza.sg b/songs/thomas_fersen/Zaza.sg similarity index 100% rename from songs/Thomas_Fersen/Zaza.sg rename to songs/thomas_fersen/Zaza.sg diff --git a/songs/Thomas_Fersen/au_cafe_de_la_paix.sg b/songs/thomas_fersen/au_cafe_de_la_paix.sg similarity index 100% rename from songs/Thomas_Fersen/au_cafe_de_la_paix.sg rename to songs/thomas_fersen/au_cafe_de_la_paix.sg diff --git a/songs/Thomas_Fersen/je-suis-au-paradis.jpg b/songs/thomas_fersen/je-suis-au-paradis.jpg similarity index 100% rename from songs/Thomas_Fersen/je-suis-au-paradis.jpg rename to songs/thomas_fersen/je-suis-au-paradis.jpg diff --git a/songs/Thomas_Fersen/le-jour-du-poisson.jpg b/songs/thomas_fersen/le-jour-du-poisson.jpg similarity index 100% rename from songs/Thomas_Fersen/le-jour-du-poisson.jpg rename to songs/thomas_fersen/le-jour-du-poisson.jpg diff --git a/songs/Thomas_Fersen/le-pavillon-des-fous.jpg b/songs/thomas_fersen/le-pavillon-des-fous.jpg similarity index 100% rename from songs/Thomas_Fersen/le-pavillon-des-fous.jpg rename to songs/thomas_fersen/le-pavillon-des-fous.jpg diff --git a/songs/Thomas_Fersen/les-ronds-de-carotte.jpg b/songs/thomas_fersen/les-ronds-de-carotte.jpg similarity index 100% rename from songs/Thomas_Fersen/les-ronds-de-carotte.jpg rename to songs/thomas_fersen/les-ronds-de-carotte.jpg diff --git a/songs/Thomas_Fersen/piece-montee-des-grands-jours.jpg b/songs/thomas_fersen/piece-montee-des-grands-jours.jpg similarity index 100% rename from songs/Thomas_Fersen/piece-montee-des-grands-jours.jpg rename to songs/thomas_fersen/piece-montee-des-grands-jours.jpg diff --git a/songs/Thomas_Fersen/qu4tre.jpg b/songs/thomas_fersen/qu4tre.jpg similarity index 100% rename from songs/Thomas_Fersen/qu4tre.jpg rename to songs/thomas_fersen/qu4tre.jpg diff --git a/songs/Thomas_Fersen/saint_jean_du_doigt.sg b/songs/thomas_fersen/saint_jean_du_doigt.sg similarity index 100% rename from songs/Thomas_Fersen/saint_jean_du_doigt.sg rename to songs/thomas_fersen/saint_jean_du_doigt.sg diff --git a/songs/Thomas_Fersen/tot-ou-tard.jpg b/songs/thomas_fersen/tot-ou-tard.jpg similarity index 100% rename from songs/Thomas_Fersen/tot-ou-tard.jpg rename to songs/thomas_fersen/tot-ou-tard.jpg diff --git a/songs/Thomas_Fersen/trois-petits-tours.jpg b/songs/thomas_fersen/trois-petits-tours.jpg similarity index 100% rename from songs/Thomas_Fersen/trois-petits-tours.jpg rename to songs/thomas_fersen/trois-petits-tours.jpg diff --git a/songs/Tit_Patapons/Marchand_de_couleurs.sg b/songs/tit_patapons/Marchand_de_couleurs.sg similarity index 100% rename from songs/Tit_Patapons/Marchand_de_couleurs.sg rename to songs/tit_patapons/Marchand_de_couleurs.sg diff --git a/songs/Tit_Patapons/premier-jet.jpg b/songs/tit_patapons/premier-jet.jpg similarity index 100% rename from songs/Tit_Patapons/premier-jet.jpg rename to songs/tit_patapons/premier-jet.jpg diff --git a/songs/Tonton_David/Chacun_sa_route.sg b/songs/tonton_david/Chacun_sa_route.sg similarity index 100% rename from songs/Tonton_David/Chacun_sa_route.sg rename to songs/tonton_david/Chacun_sa_route.sg diff --git a/songs/Tonton_David/tonton-david-best-of.jpg b/songs/tonton_david/tonton-david-best-of.jpg similarity index 100% rename from songs/Tonton_David/tonton-david-best-of.jpg rename to songs/tonton_david/tonton-david-best-of.jpg diff --git a/songs/Tournee_Generale/Avancer_mes_grolles.sg b/songs/tournee_generale/Avancer_mes_grolles.sg similarity index 100% rename from songs/Tournee_Generale/Avancer_mes_grolles.sg rename to songs/tournee_generale/Avancer_mes_grolles.sg diff --git a/songs/Tournee_Generale/tournee-generale.jpg b/songs/tournee_generale/tournee-generale.jpg similarity index 100% rename from songs/Tournee_Generale/tournee-generale.jpg rename to songs/tournee_generale/tournee-generale.jpg diff --git a/songs/Tracy_Chapman/Talkin_about_the_revolution.sg b/songs/tracy_chapman/Talkin_about_the_revolution.sg similarity index 100% rename from songs/Tracy_Chapman/Talkin_about_the_revolution.sg rename to songs/tracy_chapman/Talkin_about_the_revolution.sg diff --git a/songs/Tracy_Chapman/collection.jpg b/songs/tracy_chapman/collection.jpg similarity index 100% rename from songs/Tracy_Chapman/collection.jpg rename to songs/tracy_chapman/collection.jpg diff --git a/songs/Traditionnel/Chevaliers_de_la_table_ronde.sg b/songs/traditionnel/Chevaliers_de_la_table_ronde.sg similarity index 100% rename from songs/Traditionnel/Chevaliers_de_la_table_ronde.sg rename to songs/traditionnel/Chevaliers_de_la_table_ronde.sg diff --git a/songs/Traditionnel/L_homme_de_cromagnon.sg b/songs/traditionnel/L_homme_de_cromagnon.sg similarity index 100% rename from songs/Traditionnel/L_homme_de_cromagnon.sg rename to songs/traditionnel/L_homme_de_cromagnon.sg diff --git a/songs/Traditionnel/La_cucaracha.sg b/songs/traditionnel/La_cucaracha.sg similarity index 100% rename from songs/Traditionnel/La_cucaracha.sg rename to songs/traditionnel/La_cucaracha.sg diff --git a/songs/Traditionnel/V_la_l_bon_vent.sg b/songs/traditionnel/V_la_l_bon_vent.sg similarity index 100% rename from songs/Traditionnel/V_la_l_bon_vent.sg rename to songs/traditionnel/V_la_l_bon_vent.sg diff --git a/songs/Traditionnel/Vent_frais.sg b/songs/traditionnel/Vent_frais.sg similarity index 100% rename from songs/Traditionnel/Vent_frais.sg rename to songs/traditionnel/Vent_frais.sg diff --git a/songs/Tri_Yann/Kiss_the_cildren_for_me_Mary.sg b/songs/tri_yann/Kiss_the_cildren_for_me_Mary.sg similarity index 100% rename from songs/Tri_Yann/Kiss_the_cildren_for_me_Mary.sg rename to songs/tri_yann/Kiss_the_cildren_for_me_Mary.sg diff --git a/songs/Tri_Yann/La_jument_de_Michao.sg b/songs/tri_yann/La_jument_de_Michao.sg similarity index 100% rename from songs/Tri_Yann/La_jument_de_Michao.sg rename to songs/tri_yann/La_jument_de_Michao.sg diff --git a/songs/Tri_Yann/La_ville_que_j_ai_tant_aimee.sg b/songs/tri_yann/La_ville_que_j_ai_tant_aimee.sg similarity index 100% rename from songs/Tri_Yann/La_ville_que_j_ai_tant_aimee.sg rename to songs/tri_yann/La_ville_que_j_ai_tant_aimee.sg diff --git a/songs/Tri_Yann/Les_filles_de_Redon.sg b/songs/tri_yann/Les_filles_de_Redon.sg similarity index 100% rename from songs/Tri_Yann/Les_filles_de_Redon.sg rename to songs/tri_yann/Les_filles_de_Redon.sg diff --git a/songs/Tri_Yann/Les_prisons_de_Nantes.sg b/songs/tri_yann/Les_prisons_de_Nantes.sg similarity index 100% rename from songs/Tri_Yann/Les_prisons_de_Nantes.sg rename to songs/tri_yann/Les_prisons_de_Nantes.sg diff --git a/songs/Tri_Yann/Si_mort_a_mors.sg b/songs/tri_yann/Si_mort_a_mors.sg similarity index 100% rename from songs/Tri_Yann/Si_mort_a_mors.sg rename to songs/tri_yann/Si_mort_a_mors.sg diff --git a/songs/Tri_Yann/la-decouverte-ou-l-ignorance.jpg b/songs/tri_yann/la-decouverte-ou-l-ignorance.jpg similarity index 100% rename from songs/Tri_Yann/la-decouverte-ou-l-ignorance.jpg rename to songs/tri_yann/la-decouverte-ou-l-ignorance.jpg diff --git a/songs/Tri_Yann/le-meilleur-de-tri-yann.jpg b/songs/tri_yann/le-meilleur-de-tri-yann.jpg similarity index 100% rename from songs/Tri_Yann/le-meilleur-de-tri-yann.jpg rename to songs/tri_yann/le-meilleur-de-tri-yann.jpg diff --git a/songs/Tryo/Ce_que_l_on_s_aime.sg b/songs/tryo/Ce_que_l_on_s_aime.sg similarity index 100% rename from songs/Tryo/Ce_que_l_on_s_aime.sg rename to songs/tryo/Ce_que_l_on_s_aime.sg diff --git a/songs/Tryo/L_hymne_de_nos_campagnes.sg b/songs/tryo/L_hymne_de_nos_campagnes.sg similarity index 100% rename from songs/Tryo/L_hymne_de_nos_campagnes.sg rename to songs/tryo/L_hymne_de_nos_campagnes.sg diff --git a/songs/Tryo/Le_petit_chose.sg b/songs/tryo/Le_petit_chose.sg similarity index 100% rename from songs/Tryo/Le_petit_chose.sg rename to songs/tryo/Le_petit_chose.sg diff --git a/songs/Tryo/ce-que-l-on-seme.jpg b/songs/tryo/ce-que-l-on-seme.jpg similarity index 100% rename from songs/Tryo/ce-que-l-on-seme.jpg rename to songs/tryo/ce-que-l-on-seme.jpg diff --git a/songs/Tryo/faut-qu-ils-s-activent.jpg b/songs/tryo/faut-qu-ils-s-activent.jpg similarity index 100% rename from songs/Tryo/faut-qu-ils-s-activent.jpg rename to songs/tryo/faut-qu-ils-s-activent.jpg diff --git a/songs/Tryo/mamagubida.jpg b/songs/tryo/mamagubida.jpg similarity index 100% rename from songs/Tryo/mamagubida.jpg rename to songs/tryo/mamagubida.jpg diff --git a/songs/U2/One.sg b/songs/u2/One.sg similarity index 100% rename from songs/U2/One.sg rename to songs/u2/One.sg diff --git a/songs/U2/Sunday_bloody_sunday.sg b/songs/u2/Sunday_bloody_sunday.sg similarity index 100% rename from songs/U2/Sunday_bloody_sunday.sg rename to songs/u2/Sunday_bloody_sunday.sg diff --git a/songs/U2/achtung-baby.jpg b/songs/u2/achtung-baby.jpg similarity index 100% rename from songs/U2/achtung-baby.jpg rename to songs/u2/achtung-baby.jpg diff --git a/songs/U2/war.jpg b/songs/u2/war.jpg similarity index 100% rename from songs/U2/war.jpg rename to songs/u2/war.jpg diff --git a/songs/Vincent_Delerm/Kensington-Square.jpg b/songs/vincent_delerm/Kensington-Square.jpg similarity index 100% rename from songs/Vincent_Delerm/Kensington-Square.jpg rename to songs/vincent_delerm/Kensington-Square.jpg diff --git a/songs/Vincent_Delerm/La_natation_synchronisee.sg b/songs/vincent_delerm/La_natation_synchronisee.sg similarity index 100% rename from songs/Vincent_Delerm/La_natation_synchronisee.sg rename to songs/vincent_delerm/La_natation_synchronisee.sg diff --git a/songs/Vincent_Malone/L_escargot_malheureux.sg b/songs/vincent_malone/L_escargot_malheureux.sg similarity index 100% rename from songs/Vincent_Malone/L_escargot_malheureux.sg rename to songs/vincent_malone/L_escargot_malheureux.sg diff --git a/songs/Vincent_Malone/le-roi-des-papas.jpg b/songs/vincent_malone/le-roi-des-papas.jpg similarity index 100% rename from songs/Vincent_Malone/le-roi-des-papas.jpg rename to songs/vincent_malone/le-roi-des-papas.jpg diff --git a/songs/William_Balde/Rayon_de_soleil.sg b/songs/william_balde/Rayon_de_soleil.sg similarity index 100% rename from songs/William_Balde/Rayon_de_soleil.sg rename to songs/william_balde/Rayon_de_soleil.sg diff --git a/songs/William_Balde/william-balde-en-corps-etranger.jpg b/songs/william_balde/william-balde-en-corps-etranger.jpg similarity index 100% rename from songs/William_Balde/william-balde-en-corps-etranger.jpg rename to songs/william_balde/william-balde-en-corps-etranger.jpg diff --git a/songs/Yodelice/Sunday_with_a_flu.sg b/songs/yodelice/Sunday_with_a_flu.sg similarity index 100% rename from songs/Yodelice/Sunday_with_a_flu.sg rename to songs/yodelice/Sunday_with_a_flu.sg diff --git a/songs/Yodelice/tree-of-life.jpg b/songs/yodelice/tree-of-life.jpg similarity index 100% rename from songs/Yodelice/tree-of-life.jpg rename to songs/yodelice/tree-of-life.jpg diff --git a/songs/Yuki_Kajiura/Fake_wings.sg b/songs/yuki_kajiura/Fake_wings.sg similarity index 100% rename from songs/Yuki_Kajiura/Fake_wings.sg rename to songs/yuki_kajiura/Fake_wings.sg diff --git a/songs/Yuki_Kajiura/Jr.sg b/songs/yuki_kajiura/Jr.sg similarity index 100% rename from songs/Yuki_Kajiura/Jr.sg rename to songs/yuki_kajiura/Jr.sg diff --git a/songs/Yuki_Kajiura/Vanity.sg b/songs/yuki_kajiura/Vanity.sg similarity index 100% rename from songs/Yuki_Kajiura/Vanity.sg rename to songs/yuki_kajiura/Vanity.sg diff --git a/songs/Yuki_Kajiura/fiction.jpg b/songs/yuki_kajiura/fiction.jpg similarity index 100% rename from songs/Yuki_Kajiura/fiction.jpg rename to songs/yuki_kajiura/fiction.jpg diff --git a/songs/Yuki_Kajiura/xenosaga.jpg b/songs/yuki_kajiura/xenosaga.jpg similarity index 100% rename from songs/Yuki_Kajiura/xenosaga.jpg rename to songs/yuki_kajiura/xenosaga.jpg diff --git a/songs/Yves_Duteil/Le_petit_pont_de_bois.sg b/songs/yves_duteil/Le_petit_pont_de_bois.sg similarity index 100% rename from songs/Yves_Duteil/Le_petit_pont_de_bois.sg rename to songs/yves_duteil/Le_petit_pont_de_bois.sg diff --git a/songs/Yves_Duteil/la-tarantelle.jpg b/songs/yves_duteil/la-tarantelle.jpg similarity index 100% rename from songs/Yves_Duteil/la-tarantelle.jpg rename to songs/yves_duteil/la-tarantelle.jpg diff --git a/songs/Yves_Jamait/Et_je_bois.sg b/songs/yves_jamait/Et_je_bois.sg similarity index 100% rename from songs/Yves_Jamait/Et_je_bois.sg rename to songs/yves_jamait/Et_je_bois.sg diff --git a/songs/Yves_Jamait/de-verre-en-vers.jpg b/songs/yves_jamait/de-verre-en-vers.jpg similarity index 100% rename from songs/Yves_Jamait/de-verre-en-vers.jpg rename to songs/yves_jamait/de-verre-en-vers.jpg diff --git a/songs/Yves_Jamait/etc.sg b/songs/yves_jamait/etc.sg similarity index 100% rename from songs/Yves_Jamait/etc.sg rename to songs/yves_jamait/etc.sg diff --git a/songs/Yves_Jamait/je-passais-par-hasard.jpg b/songs/yves_jamait/je-passais-par-hasard.jpg similarity index 100% rename from songs/Yves_Jamait/je-passais-par-hasard.jpg rename to songs/yves_jamait/je-passais-par-hasard.jpg diff --git a/songs/Yves_Jamait/jean-louis.sg b/songs/yves_jamait/jean-louis.sg similarity index 100% rename from songs/Yves_Jamait/jean-louis.sg rename to songs/yves_jamait/jean-louis.sg diff --git a/songs/Yves_Jamait/le-coquelicot.jpg b/songs/yves_jamait/le-coquelicot.jpg similarity index 100% rename from songs/Yves_Jamait/le-coquelicot.jpg rename to songs/yves_jamait/le-coquelicot.jpg diff --git a/songs/Yves_Simon/Les_bateaux_du_metro.sg b/songs/yves_simon/Les_bateaux_du_metro.sg similarity index 100% rename from songs/Yves_Simon/Les_bateaux_du_metro.sg rename to songs/yves_simon/Les_bateaux_du_metro.sg diff --git a/songs/Yves_Simon/au-pays-des-merveilles-de-juliet.jpg b/songs/yves_simon/au-pays-des-merveilles-de-juliet.jpg similarity index 100% rename from songs/Yves_Simon/au-pays-des-merveilles-de-juliet.jpg rename to songs/yves_simon/au-pays-des-merveilles-de-juliet.jpg diff --git a/songs/Yvon_Etienne/Chemise_rouge.sg b/songs/yvon_etienne/Chemise_rouge.sg similarity index 100% rename from songs/Yvon_Etienne/Chemise_rouge.sg rename to songs/yvon_etienne/Chemise_rouge.sg diff --git a/songs/Yvon_Etienne/Y_a_des_nouilles_et_du_nougat.sg b/songs/yvon_etienne/Y_a_des_nouilles_et_du_nougat.sg similarity index 100% rename from songs/Yvon_Etienne/Y_a_des_nouilles_et_du_nougat.sg rename to songs/yvon_etienne/Y_a_des_nouilles_et_du_nougat.sg diff --git a/songs/Yvon_Etienne/bulles-de-reve.jpg b/songs/yvon_etienne/bulles-de-reve.jpg similarity index 100% rename from songs/Yvon_Etienne/bulles-de-reve.jpg rename to songs/yvon_etienne/bulles-de-reve.jpg diff --git a/songs/Yvon_Etienne/les-plus-pire-succes-d-yvon-etienne.jpg b/songs/yvon_etienne/les-plus-pire-succes-d-yvon-etienne.jpg similarity index 100% rename from songs/Yvon_Etienne/les-plus-pire-succes-d-yvon-etienne.jpg rename to songs/yvon_etienne/les-plus-pire-succes-d-yvon-etienne.jpg