diff --git a/songs/Bob_Dylan/Blowin_in_the_wind.sg b/songs/Bob_Dylan/Blowin_in_the_wind.sg
index 59876e84..a4128a77 100644
--- a/songs/Bob_Dylan/Blowin_in_the_wind.sg
+++ b/songs/Bob_Dylan/Blowin_in_the_wind.sg
@@ -4,7 +4,7 @@
 \cover
 \gtab{Ré}{XX0232}
 \gtab{Sol}{320003}
-\gtab{La}{002220}
+\gtab{La}{X02220}
 
 \beginverse
 \[Ré]How many \[Sol]roads must a \[La]man walk \[Ré]down
diff --git a/songs/Cat_Stevens/Sad_Lisa.sg b/songs/Cat_Stevens/Sad_Lisa.sg
index 8532b647..9acf9bdd 100644
--- a/songs/Cat_Stevens/Sad_Lisa.sg
+++ b/songs/Cat_Stevens/Sad_Lisa.sg
@@ -5,7 +5,7 @@
 \gtab{Mim}{022000}
 \gtab{Ré}{XX0232}
 \gtab{Do}{X32010}
-\gtab{La}{002220}
+\gtab{La}{X02220}
 \gtab{Si}{2:002220}
 
 \beginverse
diff --git a/songs/Cat_Stevens/The_wind.sg b/songs/Cat_Stevens/The_wind.sg
index 8c9a4269..f64fabd6 100644
--- a/songs/Cat_Stevens/The_wind.sg
+++ b/songs/Cat_Stevens/The_wind.sg
@@ -4,7 +4,7 @@
 \cover
 \gtab{Ré}{X00232}
 \gtab{Sol}{320003}
-\gtab{La}{002220}
+\gtab{La}{X02220}
 \gtab{Mim}{022000}
 
 \beginverse
diff --git a/songs/Dessins_Animes/Themis_et_Nono.sg b/songs/Dessins_Animes/Themis_et_Nono.sg
index acabd190..1b3b7d6e 100644
--- a/songs/Dessins_Animes/Themis_et_Nono.sg
+++ b/songs/Dessins_Animes/Themis_et_Nono.sg
@@ -7,7 +7,7 @@
 \gtab{Lam}{X02210}
 \gtab{Si7}{021202}
 \gtab{Mi}{022100}
-\gtab{La}{002220}
+\gtab{La}{X02220}
 
 \beginverse
 Thé\[Mim]mis, petite fleur \[Lam]bleue
diff --git a/songs/Eels/Packing_blankets.sg b/songs/Eels/Packing_blankets.sg
index 36f64717..06fb6c0e 100644
--- a/songs/Eels/Packing_blankets.sg
+++ b/songs/Eels/Packing_blankets.sg
@@ -5,7 +5,7 @@
 \cover
 \gtab{Ré}{000232}
 \gtab{Sol}{320003}
-\gtab{La}{002220}
+\gtab{La}{X02220}
 \gtab{Fa#m}{2:022000}
 \gtab{Sim}{2:002210}
 \gtab{Mim}{022000}
diff --git a/songs/Francis_Cabrel/Petite_Marie.sg b/songs/Francis_Cabrel/Petite_Marie.sg
index 8801e564..b983be3f 100644
--- a/songs/Francis_Cabrel/Petite_Marie.sg
+++ b/songs/Francis_Cabrel/Petite_Marie.sg
@@ -7,7 +7,7 @@
 \gtab{Sim}{2:002210}
 \gtab{Fa#}{2:022100}
 \gtab{Sol}{320003}
-\gtab{La}{002220}
+\gtab{La}{X02220}
 \gtab{Fa#m}{2:022000}
 \gtab{Ré}{X00232}
 
diff --git a/songs/Georges_Brassens/Grand_pere.sg b/songs/Georges_Brassens/Grand_pere.sg
index 1aceaf6f..4f69ec79 100644
--- a/songs/Georges_Brassens/Grand_pere.sg
+++ b/songs/Georges_Brassens/Grand_pere.sg
@@ -6,7 +6,7 @@
 \gtab{Do}{332010}
 \gtab{Sol7}{320001}
 \gtab{Rém}{X00231}
-\gtab{La}{002220}
+\gtab{La}{X02220}
 \gtab{Mi}{022100}
 \gtab{Ré7}{000212}
 
diff --git a/songs/Graeme_Allwright/Ca_je_l_ai_jamais_vu.sg b/songs/Graeme_Allwright/Ca_je_l_ai_jamais_vu.sg
index f98550b1..01a99986 100644
--- a/songs/Graeme_Allwright/Ca_je_l_ai_jamais_vu.sg
+++ b/songs/Graeme_Allwright/Ca_je_l_ai_jamais_vu.sg
@@ -7,7 +7,7 @@
 \gtab{Sol}{320003}
 \gtab{La7}{002020}
 \gtab{Mi7}{020100}
-\gtab{La}{002220}
+\gtab{La}{X02220}
 
 
 \beginverse
diff --git a/songs/Graeme_Allwright/La_mouche_bleue.sg b/songs/Graeme_Allwright/La_mouche_bleue.sg
index d140a140..763abf4a 100644
--- a/songs/Graeme_Allwright/La_mouche_bleue.sg
+++ b/songs/Graeme_Allwright/La_mouche_bleue.sg
@@ -3,7 +3,7 @@
 
 \cover
 \gtab{Ré}{000232}
-\gtab{La}{002220}
+\gtab{La}{X02220}
 \gtab{Sol}{320003}
 
 \beginverse
diff --git a/songs/Graeme_Allwright/Petit_garcon.sg b/songs/Graeme_Allwright/Petit_garcon.sg
index 55a4a120..d631888e 100644
--- a/songs/Graeme_Allwright/Petit_garcon.sg
+++ b/songs/Graeme_Allwright/Petit_garcon.sg
@@ -5,7 +5,7 @@
 \gtab{Ré}{X00232}
 \gtab{La7}{002020}
 \gtab{Sol}{320003}
-\gtab{La}{002220}
+\gtab{La}{X02220}
 \gtab{Sim}{2:002210}
 \gtab{Mi7}{020100}
 
diff --git a/songs/Graeme_Allwright/Petites_boites.sg b/songs/Graeme_Allwright/Petites_boites.sg
index f46317ab..585696de 100644
--- a/songs/Graeme_Allwright/Petites_boites.sg
+++ b/songs/Graeme_Allwright/Petites_boites.sg
@@ -2,7 +2,7 @@
 \beginsong{Petites bo\^ites}[by=Graeme Allwright,cov=emmene-moi]
 
 \cover
-\gtab{La}{002220}
+\gtab{La}{X02220}
 \gtab{Ré}{000232}
 \gtab{Mi7}{020100}
 
diff --git a/songs/Hugues_Aufray/Le_Bon_Dieu_s_enervait.sg b/songs/Hugues_Aufray/Le_Bon_Dieu_s_enervait.sg
index fb72681c..e4064338 100644
--- a/songs/Hugues_Aufray/Le_Bon_Dieu_s_enervait.sg
+++ b/songs/Hugues_Aufray/Le_Bon_Dieu_s_enervait.sg
@@ -4,7 +4,7 @@
 
 \cover
 \gtab{Mi}{022100}
-\gtab{La}{002220}
+\gtab{La}{X02220}
 \gtab{Si7}{X21202}
 
 
diff --git a/songs/Le_Donjon_de_Naheulbeuk/Les_epees_Durandil.sg b/songs/Le_Donjon_de_Naheulbeuk/Les_epees_Durandil.sg
index 3bcfcafa..0260ad06 100644
--- a/songs/Le_Donjon_de_Naheulbeuk/Les_epees_Durandil.sg
+++ b/songs/Le_Donjon_de_Naheulbeuk/Les_epees_Durandil.sg
@@ -4,7 +4,7 @@
 \capo{5}
 \cover
 \gtab{Ré}{000232}
-\gtab{La}{002220}
+\gtab{La}{X02220}
 \gtab{Sol}{320003}
 
 
diff --git a/songs/Les_Cowboys_Fringants/Histoire_de_peche.sg b/songs/Les_Cowboys_Fringants/Histoire_de_peche.sg
index 592a40ef..4fd5fb67 100644
--- a/songs/Les_Cowboys_Fringants/Histoire_de_peche.sg
+++ b/songs/Les_Cowboys_Fringants/Histoire_de_peche.sg
@@ -4,7 +4,7 @@
 
 \cover
 \gtab{Ré}{000232}
-\gtab{La}{002220}
+\gtab{La}{X02220}
 \gtab{Sol}{320003}
 \gtab{Sim}{2:002210}
 
diff --git a/songs/Les_Cowboys_Fringants/La_manifestation.sg b/songs/Les_Cowboys_Fringants/La_manifestation.sg
index f058565a..0ef6f090 100644
--- a/songs/Les_Cowboys_Fringants/La_manifestation.sg
+++ b/songs/Les_Cowboys_Fringants/La_manifestation.sg
@@ -7,7 +7,7 @@
 \gtab{Ré}{000232}
 \gtab{Mim}{022000}
 \gtab{Sim}{2:002210}
-\gtab{La}{002220}
+\gtab{La}{X02220}
 
 
 \beginverse
diff --git a/songs/Les_Fatals_Picards/Chasse_peche_et_nature.sg b/songs/Les_Fatals_Picards/Chasse_peche_et_nature.sg
index 329097ef..3c19642a 100644
--- a/songs/Les_Fatals_Picards/Chasse_peche_et_nature.sg
+++ b/songs/Les_Fatals_Picards/Chasse_peche_et_nature.sg
@@ -10,7 +10,7 @@
 \gtab{Mi}{022100}
 \gtab{Fa#m}{2:022000}
 \gtab{Ré}{X00231}
-\gtab{La}{002220}
+\gtab{La}{X02220}
 
 
 \beginverse
diff --git a/songs/Les_Wriggles/Julie_la_petite_olive.sg b/songs/Les_Wriggles/Julie_la_petite_olive.sg
index b6c5c553..bad7e6d7 100644
--- a/songs/Les_Wriggles/Julie_la_petite_olive.sg
+++ b/songs/Les_Wriggles/Julie_la_petite_olive.sg
@@ -3,7 +3,7 @@
 
 
 \cover
-\gtab{La}{002220}
+\gtab{La}{X02220}
 \gtab{Sim}{2:002210}
 \gtab{Mi}{022100}
 \gtab{Fa#}{2:022100}
diff --git a/songs/Les_Wriggles/Monolithe.sg b/songs/Les_Wriggles/Monolithe.sg
index 67750c78..f15f05d2 100644
--- a/songs/Les_Wriggles/Monolithe.sg
+++ b/songs/Les_Wriggles/Monolithe.sg
@@ -5,7 +5,7 @@
 \gtab{Do#m}{4:X02210}
 \gtab{Fa#m}{2:022000}
 \gtab{Sol#}{4:022100}
-\gtab{La}{002220}
+\gtab{La}{X02220}
 \gtab{La7}{5:020100}
 \gtab{La}{5:022100}
 \gtab{Rém}{5:002210}
diff --git a/songs/Oldelaf_et_Monsieur_D/Trahis.sg b/songs/Oldelaf_et_Monsieur_D/Trahis.sg
index d4f5ec91..b4cb1db9 100644
--- a/songs/Oldelaf_et_Monsieur_D/Trahis.sg
+++ b/songs/Oldelaf_et_Monsieur_D/Trahis.sg
@@ -5,7 +5,7 @@
 \cover
 \gtab{Fa#m}{2:022000}
 \gtab{Ré}{X00232}
-\gtab{La}{002220}
+\gtab{La}{X02220}
 \gtab{Mi}{022100}
 \gtab{Do#}{4:X02220}
 
diff --git a/songs/Renaud/Mistral_Gagnant.sg b/songs/Renaud/Mistral_Gagnant.sg
index 0cebf4a7..ddeefa5a 100644
--- a/songs/Renaud/Mistral_Gagnant.sg
+++ b/songs/Renaud/Mistral_Gagnant.sg
@@ -4,7 +4,7 @@
 \cover
 \gtab{Sim}{2:002210}
 \gtab{Mim}{022000}
-\gtab{La}{002220}
+\gtab{La}{X02220}
 \gtab{Ré}{000232}
 \gtab{Sol}{320003}
 \gtab{Fa#}{2:022100}
diff --git a/songs/Simon_Garfunkel/Cecilia.sg b/songs/Simon_Garfunkel/Cecilia.sg
index 651c9f7a..c3349d58 100644
--- a/songs/Simon_Garfunkel/Cecilia.sg
+++ b/songs/Simon_Garfunkel/Cecilia.sg
@@ -3,7 +3,7 @@
 
 \cover
 \gtab{Ré}{000232}
-\gtab{La}{002220}
+\gtab{La}{X02220}
 \gtab{Sol}{320003}
 
 \beginchorus	
diff --git a/songs/Simon_Garfunkel/Feeling_groovy.sg b/songs/Simon_Garfunkel/Feeling_groovy.sg
index f508221c..93a0253d 100644
--- a/songs/Simon_Garfunkel/Feeling_groovy.sg
+++ b/songs/Simon_Garfunkel/Feeling_groovy.sg
@@ -4,7 +4,7 @@
 \cover
 \gtab{Sol}{320003}
 \gtab{Ré}{000232}
-\gtab{La}{002220}
+\gtab{La}{X02220}
 
 \beginverse
 \[Sol]Slow do\[Ré]wn, you mov\[La]e too \[Ré]fast
diff --git a/songs/The_Eagles/Hotel_California.sg b/songs/The_Eagles/Hotel_California.sg
index 58d01c22..b167c0f8 100644
--- a/songs/The_Eagles/Hotel_California.sg
+++ b/songs/The_Eagles/Hotel_California.sg
@@ -5,7 +5,7 @@
 \cover
 \gtab{Sim}{2:002210}
 \gtab{Fa#}{2:022100}
-\gtab{La}{002220}
+\gtab{La}{X02220}
 \gtab{Mi}{022100}
 \gtab{Sol}{320003}
 \gtab{Ré}{XX0232}