Create musical compositions that adhere to the specified chord changes.
'C', 'G7', 'C', 'G7', 'C', 'C', 'G', 'C', 'G7', 'C', 'G7', 'C', 'G7', 'C', 'F', 'Bb', 'C7', 'F', 'Bb', 'C7', 'F'  
X:1
L:1/16
M:2/4
K:C
 g2 |:"C" ac'e2 egc2 |"G7" Bcde f2>f2 | gbd2 dfB2 |"C" cdef g2>g2 | ac'e2 egc2 |"G7" Bcde f2>f2 | 
 fbd2 dfB2 |1"C" c2e2 c2g2 :|2"C" c2e2 c2 z2 |:"G" g2gb d2d2 |"C" g2gc' e2e2 |"G7" gfdB GBda | 
"C" gecG c4 |"G7" g2gb d2d2 |"C" g2gc' e2e2 |"G7" gfdB fdag |"C" c2e2 c2 z2 ::[K:F]"F" c2Ac agfe | 
"Bb" d2Bd bagf |"C7" e2ce c'bae |"F" faca f4 | c2Ac agfe |"Bb" d2Bd bagf |"C7" e2^de d'c'be | 
"F" faca .f4 :|  