diff --git a/Thomas_Fersen/Chocolat.sg b/Thomas_Fersen/Chocolat.sg
index 8c8d6d51..2f90bc85 100644
--- a/Thomas_Fersen/Chocolat.sg
+++ b/Thomas_Fersen/Chocolat.sg
@@ -4,12 +4,18 @@
   [by=Thomas Fersen,album=Trois petits tours,cov=trois-petits-tours]
 
   \cover
-  \gtab{B}{X24442}
-  \gtab{D#7}{XX1323}
+  \gtab{B}{2:X02220}
+  \gtab{D#7}{1:XX0212}
   \gtab{G#m}{4:022000}
   \gtab{C#m}{4:X02210}
   \gtab{F#7}{2:020100}
 
+  \utab{B}{2:21000}
+  \utab{D#7}{3:0001}
+  \utab{G#m}{1:0231}
+  \utab{C#m}{1:0333}
+  \utab{F#7}{2:1202}
+
   \begin{verse*}
     \musicnote{\Intro : \nolyrics \[B D{\shrp}7 G{\shrp}m G{\shrp}m] \rep{2}}
   \end{verse*}
diff --git a/Thomas_Fersen/Deux_pieds.sg b/Thomas_Fersen/Deux_pieds.sg
index 5b5733e2..9fb6dc0c 100644
--- a/Thomas_Fersen/Deux_pieds.sg
+++ b/Thomas_Fersen/Deux_pieds.sg
@@ -10,6 +10,12 @@
   \gtab{C#}{4:X03330}
   \gtab{Cm}{3:X02210}
 
+  \utab{Fm}{1013}
+  \utab{D#}{1:2220}
+  \utab{G#}{3:2010}
+  \utab{C#}{1:0003}
+  \utab{Cm}{0333}
+
   \begin{verse}
     \[Fm]{On me} dit que \[D#]{je suis} pares\[G#]seux
     \[Fm]{Que je} ne fais \[D#]{que ce} que je \[G#]veux
diff --git a/Thomas_Fersen/Je_n_ai_pas_la_gale.sg b/Thomas_Fersen/Je_n_ai_pas_la_gale.sg
index 1f9bb930..c91f6818 100644
--- a/Thomas_Fersen/Je_n_ai_pas_la_gale.sg
+++ b/Thomas_Fersen/Je_n_ai_pas_la_gale.sg
@@ -11,6 +11,13 @@
   \gtab{F}{1:022100}
   \gtab{B&}{1:X02220}
 
+  \utab{Dm}{2210}
+  \utab{C}{0003}
+  \utab{Am}{2000}
+  \utab{G}{0232}
+  \utab{F}{2010}
+  \utab{B&}{1:2100}
+
   \begin{verse*}
     \musicnote {\Intro : \nolyrics \[Dm C Am G] \[Dm C Am G]}
   \end{verse*}
diff --git a/Thomas_Fersen/La_malle.sg b/Thomas_Fersen/La_malle.sg
index 5a0f26b1..874acc0c 100644
--- a/Thomas_Fersen/La_malle.sg
+++ b/Thomas_Fersen/La_malle.sg
@@ -9,6 +9,10 @@
   \gtab{A}{X02220}
   \gtab{G#}{4:022100}
 
+  \utab{C#m}{1:0333}
+  \utab{F#m}{2120}
+  \utab{A}{2100}
+  \utab{G#}{3:2010}
 
   \begin{verse*}
     \musicnote{\Intro : {\nolyrics \[C{\shrp}m]}}
diff --git a/Thomas_Fersen/Le_balafre.sg b/Thomas_Fersen/Le_balafre.sg
index 71500120..3ded9538 100644
--- a/Thomas_Fersen/Le_balafre.sg
+++ b/Thomas_Fersen/Le_balafre.sg
@@ -10,6 +10,12 @@
   \gtab{G}{320003}
   \gtab{Em}{022000}
   \gtab{F#m}{2:022000}
+  \utab{D}{2220}
+  \utab{A}{2100}
+  \utab{Bm}{2:2000}
+  \utab{G}{0232}
+  \utab{Em}{0432}
+  \utab{F#m}{2120}
 
   \begin{verse*}
     \musicnote {\Intro : \nolyrics \[D A Bm G D A Bm G]}
diff --git a/Thomas_Fersen/Le_chat_botte.sg b/Thomas_Fersen/Le_chat_botte.sg
index 7c99c682..2e43d341 100644
--- a/Thomas_Fersen/Le_chat_botte.sg
+++ b/Thomas_Fersen/Le_chat_botte.sg
@@ -11,6 +11,13 @@
   \gtab{B7}{X21202}
   \gtab{G}{320003}
 
+  \utab{Em}{0432}
+  \utab{C}{0003}
+  \utab{Am}{2000}
+  \utab{D}{2220}
+  \utab{B7}{2:0100}
+  \utab{G}{0232}
+
   \begin{verse*}
     \musicnote {\Intro : \nolyrics \[Em C Am D] \rep{2} }
   \end{verse*}
diff --git a/Thomas_Fersen/Les_malheurs_du_lion.sg b/Thomas_Fersen/Les_malheurs_du_lion.sg
index 0c27ee35..807a1de9 100644
--- a/Thomas_Fersen/Les_malheurs_du_lion.sg
+++ b/Thomas_Fersen/Les_malheurs_du_lion.sg
@@ -9,6 +9,11 @@
   \gtab{A{\shrp}}{1:X02220}
   \gtab{D{\shrp}}{XX1343}
   \gtab{Fm}{1:022000}
+  \utab{Cm}{0333}
+  \utab{G}{0232}
+  \utab{A{\shrp}}{2100}
+  \utab{D{\shrp}}{1:2220}
+  \utab{Fm}{1013}
 
   \begin{chorus}
     \musicnote {\nolyrics \[Cm G Cm] \rep{2}}
diff --git a/Thomas_Fersen/Mon_iguanodon.sg b/Thomas_Fersen/Mon_iguanodon.sg
index 92d4b04e..e689c887 100644
--- a/Thomas_Fersen/Mon_iguanodon.sg
+++ b/Thomas_Fersen/Mon_iguanodon.sg
@@ -11,6 +11,13 @@
   \gtab{Cm}{3:X02210}
   \gtab{Fm7}{1:020000}
   \gtab{G}{320003}
+  \utab{E&}{1:2220}
+  \utab{A&}{3:2010}
+  \utab{Fm}{1013}
+  \utab{B&}{1:2100}
+  \utab{Cm}{0333}
+  \utab{Fm7}{1:0202}
+  \utab{G}{0232}
 
   \begin{verse}
     \[E&]{Il dormait} dans une mare
diff --git a/Thomas_Fersen/Mon_macabre.sg b/Thomas_Fersen/Mon_macabre.sg
index 9aacb048..a8bb1f63 100644
--- a/Thomas_Fersen/Mon_macabre.sg
+++ b/Thomas_Fersen/Mon_macabre.sg
@@ -11,6 +11,13 @@
   \gtab{Bm}{2:X02210}
   \gtab{D}{XX0232}
 
+  \utab{Em}{0432}
+  \utab{G}{0232}
+  \utab{Am}{2000}
+  \utab{B7}{2:0100}
+  \utab{Bm}{2:2000}
+  \utab{D}{2220}
+
   \begin{verse*}
     \musicnote {\Intro : \nolyrics \[Em G Am B7] \rep{6}}
   \end{verse*}
diff --git a/Thomas_Fersen/Monsieur.sg b/Thomas_Fersen/Monsieur.sg
index 399d329f..25f6c6f1 100644
--- a/Thomas_Fersen/Monsieur.sg
+++ b/Thomas_Fersen/Monsieur.sg
@@ -11,6 +11,13 @@
   \gtab{Fm}{1:022000}
   \gtab{B}{2:X02220}
 
+  \gtab{Cm}{0333}
+  \gtab{A{\shrp}}{1:2100}
+  \gtab{D{\shrp}}{1:2220}
+  \gtab{G}{0232}
+  \gtab{Fm}{1013}
+  \gtab{B}{2:2100}
+
   \begin{verse*}
     \musicnote { \Intro : \nolyrics \[Cm B Cm] \rep{2} }
   \end{verse*}
diff --git a/Thomas_Fersen/Parfois_au_clair_de_lune.sg b/Thomas_Fersen/Parfois_au_clair_de_lune.sg
index b8fe7d45..bf77a1e7 100644
--- a/Thomas_Fersen/Parfois_au_clair_de_lune.sg
+++ b/Thomas_Fersen/Parfois_au_clair_de_lune.sg
@@ -11,6 +11,13 @@
   \gtab{G}{320003}
   \gtab{D}{XX0232}
 
+  \utab{C}{0003}
+  \utab{E}{2:2220}
+  \utab{Am}{2000}
+  \utab{F}{2010}
+  \utab{G}{0232}
+  \utab{D}{2220}
+
   \begin{verse*}
     \musicnote {\Intro : \nolyrics \[C E Am F] \[C E Am G]}
   \end{verse*}
diff --git a/Thomas_Fersen/Pegase.sg b/Thomas_Fersen/Pegase.sg
index 587b56c2..d9f88bee 100644
--- a/Thomas_Fersen/Pegase.sg
+++ b/Thomas_Fersen/Pegase.sg
@@ -11,7 +11,13 @@
   \gtab{Am}{X02210}
   \gtab{D}{XX0232}
   \gtab{B}{2:X02220}
-
+  \utab{Em}{0432}
+  \utab{G}{0232}
+  \utab{Bm}{2:2000}
+  \utab{C}{0003}
+  \utab{Am}{2000}
+  \utab{D}{2220}
+  \utab{B}{2:2100}
 
   \begin{verse}
     Je vole\[Em]tais dans les ténèbres à l'allure d'un convoi funèbre
diff --git a/Thomas_Fersen/Punaise.sg b/Thomas_Fersen/Punaise.sg
index 45400da6..33b300d2 100644
--- a/Thomas_Fersen/Punaise.sg
+++ b/Thomas_Fersen/Punaise.sg
@@ -10,6 +10,12 @@
   \gtab{D}{XX0232}
   \gtab{Em}{022000}
 
+  \utab{Bm}{2:2000}
+  \utab{G}{0232}
+  \utab{A}{2100}
+  \utab{D}{2220}
+  \utab{Em}{0432}
+
   \begin{verse*}
     \musicnote{\Intro : {\nolyrics \[Bm G Bm G]} }
   \end{verse*}
diff --git a/Thomas_Fersen/Que_l_on_est_bete.sg b/Thomas_Fersen/Que_l_on_est_bete.sg
index 4c0b99b8..a26e6e65 100644
--- a/Thomas_Fersen/Que_l_on_est_bete.sg
+++ b/Thomas_Fersen/Que_l_on_est_bete.sg
@@ -11,6 +11,13 @@
   \gtab{F}{1:022100}
   \gtab{B&}{1:X02220}
 
+  \utab{Gm}{0231}
+  \utab{Cm}{0333}
+  \utab{E&}{1:2220}
+  \utab{D7}{2:0001}
+  \utab{F}{2010}
+  \utab{B&}{1:2100}
+
   \begin{verse*}
     \nolyrics \[Gm Cm E{\flt} D7 Gm]
   \end{verse*}
diff --git a/Thomas_Fersen/Zaza.sg b/Thomas_Fersen/Zaza.sg
index 4294b318..e692bbe4 100644
--- a/Thomas_Fersen/Zaza.sg
+++ b/Thomas_Fersen/Zaza.sg
@@ -10,6 +10,12 @@
   \gtab{B7}{X21202}
   \gtab{B}{2:X02220}
 
+  \utab{Em}{0432}
+  \utab{Am}{2000}
+  \utab{D}{2220}
+  \utab{B7}{2:0100}
+  \utab{B}{2:2100}
+
   \begin{verse}
     Zaza tu \[Em]pues mais je t'aime quand même
     Zaza ma \[Em]chienne, t'es une martienne