Generate melodic masterpieces that abide by the suggested chord alterations.
'C', 'G7', 'C', 'G7', 'C', 'G7', 'C', 'G7', 'C', 'G7', 'C', 'G7', 'C'  
X:1
L:1/8
M:3/4
K:C
"C" ag gc ec |"G7" Bg fg B2 | ag gB fB |"C" cg ea c2 | ag gc ec |"G7" Bg fa B2 | ag gB fB | 
"C" c2 z2 z2 ::"G7" BG FG B2 |"C" cG EG c2 |"G7" Bg gB fG |"C" cg gc ec |"G7" BG FG B2 | 
"C" cG EG c2 |"G7" Bg gB fB |"C" c2 z2 z2 :|  