Use the proper maj7 notation for chords

songs/Leonard_Cohen/A_bunch_of_lonesome_heroes.sg

@@ -10,10 +10,10 @@
   \gtab{E7}{020100}
   \gtab*{Asus4}{X02230}
   \gtab{D}{XX0232}
-  \gtab*{D+M7}{000222}
+  \gtab*{Dmaj7}{000222}
   \gtab{F#m}{2:X22000}
   \gtab{B}{2:X02220}
-  \gtab*{A+M7}{002120}
+  \gtab*{Amaj7}{002120}
   \gtab*{Esus4}{022200}
 
   \beginverse*
@@ -28,9 +28,9 @@
   \endverse
 
   \beginchorus
-    \[D D+M7] \[Bm]"I'd like to \[D]tell my \[A]story"\[A+M7 F#m A]
+    \[D Dmaj7] \[Bm]"I'd like to \[D]tell my \[A]story"\[Amaj7 F#m A]
     \[B] Said one of them so young and \[E]bold, \[E7]
-    \[D] "I'd \[D+M7]like to \[Bm]tell \[D] my \[A]story\[A+M7 F#m A]
+    \[D] "I'd \[Dmaj7]like to \[Bm]tell \[D] my \[A]story\[Amaj7 F#m A]
     \[F#m] Before I turn into gold"\[E Esus4 E E7]
   \endchorus
 
@@ -42,9 +42,9 @@
   \endverse
 
   \beginchorus
-    \[D D+M7] \[Bm]Put out your \[D]cigarette, \[A]my love\[A+M7 F#m A]
+    \[D Dmaj7] \[Bm]Put out your \[D]cigarette, \[A]my love\[Amaj7 F#m A]
     \[B] You've been alone too \[E]long \[E7]
-    \[D] And \[D+M7]{some of us} \[Bm] are\[D] very hungry now\[A+M7 F#m A]
+    \[D] And \[Dmaj7]{some of us} \[Bm] are\[D] very hungry now\[Amaj7 F#m A]
     \[F#m] To hear what it is you've done that was so wrong\[E Esus4 E E7]
   \endchorus
 
@@ -56,9 +56,9 @@
   \endverse
 
   \beginchorus
-    \[D D+M7] \[Bm]"I'd like to \[D]tell my \[A]story"\[A+M7 F#m A]
+    \[D Dmaj7] \[Bm]"I'd like to \[D]tell my \[A]story"\[Amaj7 F#m A]
     \[B] Said one of them so \[E]bold \[E7]
-    \[D] "Oh yes, \[D+M7]{I'd like to} \[Bm]tell \[D] my \[A A+M7]sto\[F#m]ry \[A]
+    \[D] "Oh yes, \[Dmaj7]{I'd like to} \[Bm]tell \[D] my \[A Amaj7]sto\[F#m]ry \[A]
     \[F#m] 'cause you know I feel I'm turning into \[E]go\[Esus4]o\[E]o\[E7]old" \[A]
   \endchorus
 

songs/Leonard_Cohen/Winter_lady.sg

@@ -4,7 +4,7 @@
   [by=Leonard Cohen,cov=songs-of-leonard-cohen,album=Songs of Leonard Cohen]
 
   \cover
-  \gtab*{A+M7}{5:X0221X}
+  \gtab*{Amaj7}{5:X0221X}
   \gtab*{D+4 (couplets)}{3:X3201X}
   \gtab{C}{X3201X}
   \gtab*{D+4 (refrain)}{3:X0201X}
@@ -13,14 +13,14 @@
   \musicnote{4 cordes centrales en arpège}
 
   \beginverse*
-    \musicnote{\Intro : \nolyrics{\[A+M7 D+4]}}
+    \musicnote{\Intro : \nolyrics{\[Amaj7 D+4]}}
   \endverse
 
   \beginverse
-    \[D+4]Traveling \[A+M7]lady, \[D+4] stay a\[C]while,
+    \[D+4]Traveling \[Amaj7]lady, \[D+4] stay a\[C]while,
-    Un\[D+4]til the \[A+M7]night is \[D+4]over;
+    Un\[D+4]til the \[Amaj7]night is \[D+4]over;
-    I'm just a \[A+M7]station \[D+4]on your \[C]way,
+    I'm just a \[Amaj7]station \[D+4]on your \[C]way,
-    I \[D+4]know I'm \[A+M7]not your \[D+4]lover;
+    I \[D+4]know I'm \[Amaj7]not your \[D+4]lover;
   \endverse
 
   \beginchorus
@@ -31,10 +31,10 @@
   \endchorus
 
   \beginverse
-    She \[D+4]used to \[A+M7]wear her \[D+4]hair like \[C]you
+    She \[D+4]used to \[Amaj7]wear her \[D+4]hair like \[C]you
-    Ex\[D+4]cept when \[A+M7]she was \[D+4]sleeping
+    Ex\[D+4]cept when \[Amaj7]she was \[D+4]sleeping
-    And then she'd \[A+M7]weave it \[D+4]on a \[C]loom
+    And then she'd \[Amaj7]weave it \[D+4]on a \[C]loom
-    Of \[D+4]smoke and \[A+M7]gold and \[D+4]breathing.
+    Of \[D+4]smoke and \[Amaj7]gold and \[D+4]breathing.
   \endverse
 
   \beginchorus
@@ -45,10 +45,10 @@
   \endchorus
 
   \beginverse
-    \[D+4]Traveling \[A+M7]lady, \[D+4] stay a\[C]while,
+    \[D+4]Traveling \[Amaj7]lady, \[D+4] stay a\[C]while,
-    Un\[D+4]til the \[A+M7]night is \[D+4]over;
+    Un\[D+4]til the \[Amaj7]night is \[D+4]over;
-    I'm just a \[A+M7]station \[D+4]on your \[C]way,
+    I'm just a \[Amaj7]station \[D+4]on your \[C]way,
-    I \[D+4]know I'm \[A+M7]not your \[D+4]lover.
+    I \[D+4]know I'm \[Amaj7]not your \[D+4]lover.
   \endverse
 
 \endsong