diff --git a/naheulbeuk.sgl b/naheulbeuk.sgl
index 50fbde5a..57c0116f 100644
--- a/naheulbeuk.sgl
+++ b/naheulbeuk.sgl
@@ -2,17 +2,17 @@ songs/Belyscendre/Mon_pere_veut_me_marier.sg
 songs/Belyscendre/Prends_garde_au_loup.sg
 songs/Le_Donjon_de_Naheulbeuk/10_sous_dans_ma_poche.sg
 songs/Le_Donjon_de_Naheulbeuk/A_l_aventure_compagnons.sg
-songs/Le_Donjon_de_Naheulbeuk/Bugger_Off.sg
+songs/Le_Donjon_de_Naheulbeuk/Bugger_off.sg
 songs/Le_Donjon_de_Naheulbeuk/La_biere_du_donjon.sg
 songs/Le_Donjon_de_Naheulbeuk/La_compagnie_du_chien_rugissant.sg
 songs/Le_Donjon_de_Naheulbeuk/La_complainte_de_la_serveuse.sg
 songs/Le_Donjon_de_Naheulbeuk/La_polka_du_menestrel.sg
 songs/Le_Donjon_de_Naheulbeuk/La_vie_d_aventurier.sg
 songs/Le_Donjon_de_Naheulbeuk/Les_chaussettes_du_nain.sg
-songs/Le_Donjon_de_Naheulbeuk/Les_Elfes_de_GreenElven.sg
+songs/Le_Donjon_de_Naheulbeuk/Les_elfes_de_GreenElven.sg
 songs/Le_Donjon_de_Naheulbeuk/Les_epees_Durandil.sg
-songs/Le_Donjon_de_Naheulbeuk/Les_Souliers_De_Lady_Fae.sg
+songs/Le_Donjon_de_Naheulbeuk/Les_souliers_de_Lady_Fae.sg
 songs/Le_Donjon_de_Naheulbeuk/Meme_pas_mage.sg
 songs/Le_Donjon_de_Naheulbeuk/Mon_ancetre_Gurdil.sg
-songs/Le_Donjon_de_Naheulbeuk/Troll_Farceur_et_Elfe_Farci.sg
+songs/Le_Donjon_de_Naheulbeuk/Troll_farceur_et_elfe_Farci.sg
 songs/Le_Donjon_de_Naheulbeuk/Un_boulet_dans_le_groupe.sg
diff --git a/volume-1.sgl b/volume-1.sgl
index 68792ffa..aa776fda 100644
--- a/volume-1.sgl
+++ b/volume-1.sgl
@@ -10,9 +10,9 @@ songs/Benabar/Quatre_murs_et_un_toit.sg
 songs/Benabar/Y_a_une_fille_qu_habite_chez_moi.sg
 songs/Bob_Dylan/Blowin_in_the_wind.sg
 songs/Bob_Dylan/Knocking_on_heavens_door.sg
-songs/Bruce_Springsteen/Bring_Em_Home.sg
-songs/Bruce_Springsteen/Buffalo_Gals.sg
-songs/Bruce_Springsteen/O_Mary_Dont_You_Weep.sg
+songs/Bruce_Springsteen/Bring_em_home.sg
+songs/Bruce_Springsteen/Buffalo_gals.sg
+songs/Bruce_Springsteen/O_Mary_don_t_you_weep.sg
 songs/Carter_Family/In_the_highways.sg
 songs/Carter_Family/Keep_on_the_sunny_side.sg
 songs/Cat_Stevens/My_Lady_d_Arbanville.sg
@@ -30,7 +30,7 @@ songs/Eels/I_like_birds.sg
 songs/Eels/Packing_blankets.sg
 songs/Francis_Cabrel/Je_l_aime_a_mourir.sg
 songs/Francis_Cabrel/Petite_Marie.sg
-songs/Garfunkel_and_Oates/Fuck_You.sg
+songs/Garfunkel_and_Oates/Fuck_you.sg
 songs/Georges_Brassens/Cupidon_s_en_fout.sg
 songs/Georges_Brassens/Grand_pere.sg
 songs/Georges_Brassens/La_chanson_du_herisson.sg
@@ -71,14 +71,14 @@ songs/La_Rue_Ketanou/Ma_faute_a_toi.sg
 songs/La_Rue_Ketanou/Tu_parles_trop.sg
 songs/Le_Donjon_de_Naheulbeuk/10_sous_dans_ma_poche.sg
 songs/Le_Donjon_de_Naheulbeuk/A_l_aventure_compagnons.sg
-songs/Le_Donjon_de_Naheulbeuk/Bugger_Off.sg
+songs/Le_Donjon_de_Naheulbeuk/Bugger_off.sg
 songs/Le_Donjon_de_Naheulbeuk/La_biere_du_donjon.sg
 songs/Le_Donjon_de_Naheulbeuk/La_vie_d_aventurier.sg
-songs/Le_Donjon_de_Naheulbeuk/Les_Elfes_de_GreenElven.sg
+songs/Le_Donjon_de_Naheulbeuk/Les_elfes_de_GreenElven.sg
 songs/Le_Donjon_de_Naheulbeuk/Les_epees_Durandil.sg
 songs/Le_Donjon_de_Naheulbeuk/Les_Souliers_De_Lady_Fae.sg
 songs/Le_Donjon_de_Naheulbeuk/Mon_ancetre_Gurdil.sg
-songs/Le_Donjon_de_Naheulbeuk/Troll_Farceur_et_Elfe_Farci.sg
+songs/Le_Donjon_de_Naheulbeuk/Troll_farceur_et_elfe_farci.sg
 songs/Le_Donjon_de_Naheulbeuk/Un_boulet_dans_le_groupe.sg
 songs/Les_Amis_D_Ta_Femme/Cayenne.sg
 songs/Les_Amis_D_Ta_Femme/Maree_Basse.sg
@@ -94,15 +94,15 @@ songs/Les_Momes_du_CE2/Mamadou_avait_mal_aux_dents.sg
 songs/Les_Ogres_de_Barback/3_-_0.sg
 songs/Les_Ogres_de_Barback/Accordeon_pour_les_cons.sg
 songs/Les_Ogres_de_Barback/Contes_vents_et_marees.sg
-songs/Les_Ogres_de_Barback/Grand-Mere.sg
+songs/Les_Ogres_de_Barback/Grand-mere.sg
 songs/Les_Ogres_de_Barback/L_air_bete.sg
 songs/Les_Ogres_de_Barback/La_premiere_fois.sg
-songs/Les_Ogres_de_Barback/Petite_Societe.sg
+songs/Les_Ogres_de_Barback/Petite_societe.sg
 songs/Les_Ogres_de_Barback/Pour_me_rendre_a_mon_bureau.sg
-songs/Les_Ogres_de_Barback/Rue_de_Paname.sg
+songs/Les_Ogres_de_Barback/Rue_de_Panam.sg
 songs/Les_Tetes_Raides/L_iditente.sg
 songs/Les_Tetes_Raides/Patalo.sg
-songs/Les_Tit_s_Nassels/Les_Tit_s_ballades.sg
+songs/Les_Tit_s_Nassels/Les_tit_s_ballades.sg
 songs/Les_VRP/Leo.sg
 songs/Les_Wriggles/Julie_la_petite_olive.sg
 songs/Les_Wriggles/Monolithe.sg
@@ -110,7 +110,7 @@ songs/Les_Wriggles/Poupine_et_Thierry.sg
 songs/Linkin_Park/Numb.sg
 songs/Louise_Attaque/Depuis_toujours.sg
 songs/Louise_Attaque/Lea.sg
-songs/Mano_Negra/Out_Of_Time_Man.sg
+songs/Mano_Negra/Out_of_time_man.sg
 songs/Manu_Chao/Bienvenida_a_Tijuana.sg
 songs/Manu_Chao/Clandestino.sg
 songs/Manu_Chao/Desaparecido.sg