Correction of the flat symbol using "&" instead of "b".

Remove the introduction part to the song.

songs/Pixies/Where_Is_My_Mind.sg

@@ -3,27 +3,26 @@
 
 \gtab{Mi}{022100}
 \gtab{Do#m}{4,X13321}
-\gtab{Labm}{4,133211}
+\gtab{La&m}{4,133211}
 \gtab{La}{5,133211}
 \gtab{Do#}{4,X13331}
 \gtab{Si}{2,X13331}
 
 \beginverse
-\[Mi]  \[Do#m]  \[Labm]  \[La] \rep{2}
-With your \[Mi]feet in the air and your \[Do#m]head on the ground \[Labm] \[La]
-\[Mi] Try this trick\[Do#m] and s\[Labm]pin it   Ye\[La]ah,
-\[Mi] Your head will coll\[Do#m]apse but there's \[Labm]nothing in it
+With your \[Mi]feet in the air and your \[Do#m]head on the ground \[La&m] \[La]
+\[Mi] Try this trick\[Do#m] and s\[La&m]pin it   Ye\[La]ah,
+\[Mi] Your head will coll\[Do#m]apse but there's \[La&m]nothing in it
 And you'll \[La]ask yourself
 \endverse
 
 \beginchorus
 \[Mi]Where is my \[Do#m]mind?
-\[Labm] Where is my mind?\[La]
-\[Mi]Where is my \[Do#m]mind?  \[Labm] \[La]
+\[La&m] Where is my mind?\[La]
+\[Mi]Where is my \[Do#m]mind?  \[La&m] \[La]
 \endchorus
 
 \beginverse
-\[Mi]Way \[Labm]out in the \[La]water see it \[Lam]swimmin' \[Do#] ... \[Si]
+\[Mi]Way \[La&m]out in the \[La]water see it \[Lam]swimmin' \[Do#] ... \[Si]
 \endverse
 
 \beginverse