use \Intro macro

Bob_Dylan/Hurricane.sg

@@ -13,7 +13,7 @@
 
   \ifchorded
   \beginverse*
-    \musicnote{\Intro : {\nolyrics \[Am F Am F]}}
+    \musicnote{\Intro: {\nolyrics \[Am F Am F]}}
   \endverse
   \fi
 

Red_Hot_Chili_Peppers/Dani_California.sg

@@ -25,7 +25,7 @@
     Black bandanna, sweet Louisiana
     Robbing on a bank in the state of Indiana
     She's a runner, Rebel and a stunner
-    Come to Mirawais saying: ``Baby watcha gonna?''
+    Come to Mirawais saying, ``Baby watcha gonna?''
     Looking down the barrel of a hot bell 45
     Just another way to survive
   \endverse

Renaud/Mistral_Gagnant.sg

@@ -12,7 +12,7 @@
   \gtab{F#}{2:022100}
 
   \beginverse*
-    \musicnote{ intro : \nolyrics { \[Bm] \[Em] \[F\#] \[Bm] \[Bm] \[A] \[G] }}
+    \musicnote{ \Intro : \nolyrics { \[Bm] \[Em] \[F\#] \[Bm] \[Bm] \[A] \[G] }}
   \endverse
 
   \beginverse

The_Rolling_Stones/Angie.sg

@@ -19,7 +19,7 @@
   \gtab{Dm}{XX0231}
 
   \beginverse*
-    \musicnote{ intro:\nolyrics{ | \[Am] | \[E7*] | \[G4] | \[F4] \[F] | \[C4] \[C] |\[G4/B] \[Am] | }}
+    \musicnote{ \Intro: \nolyrics{ | \[Am] | \[E7*] | \[G4] | \[F4] \[F] | \[C4] \[C] |\[G4/B] \[Am] | }}
   \endverse
 
   \beginverse