Compose melodic pieces that follow the provided chord changes.
'C', 'G7', 'C', 'G7', 'C', 'C', 'D7', 'G', 'D7', 'G', 'D7', 'G', 'D7', 'G'  
X:1
L:1/8
M:3/4
K:C
 ef |:"C" gc eg ab | c'e gc' ba |"G7" gB df ed |"C" cB cd ef | gc eg ab | c'e gc' ba | 
"G7" gB df ed |1"C" c2 z2 ef :|2"C" c2 z2 z2 |:[K:G]"D7" d2 FA dF |"G" GB db ag |"D7" fg ^ga ba | 
"G" gf ed cB |"D7" d2 FA dF |"G" GB db ag |"D7" fg ^ga ba |"G" g2 z2 z2 :|  