Generate melodic masterpieces that abide by the suggested chord alterations.
'F', 'C7', 'F', 'C7', 'F', 'F', 'Bb', 'F', 'C7', 'F', 'Bb', 'F', 'C7', 'F', 'F'  
X:1
L:1/8
M:3/4
K:none
[K:F] (AB=B) |:"F" cA d3 c |"C7" BG e3 d | cd' c'3 b |"F" ag fe dc | cA d3 c |"C7" BG e3 d | 
 dc b3 e |1"F" f2 z (AB=B) :|2"F" f2 z2 a2 |:"Bb" b2 df b2 |"F" ac cf a2 |"C7" g3 B eg | 
"F" fA Af f2 |"Bb" d3 F dc |"F" FA cf a2 |"C7" bg ec BG |1"F" F2 z2 a2 :|2"F" F2 z2 z2 |]  