Compose a melodic line that follows the given chord progression.
'F', 'C7', 'F', 'C7', 'F', 'F', 'Bb', 'C7', 'F', 'C7', 'F', 'Bb', 'C7', 'F', 'C7', 'F', 'F'  
X:1
L:1/8
M:3/4
K:F
 ag |:"F" fA cf Af |"C7" eG ce gf | eG ce Ge |"F" fA cf ag | fA cf Af |"C7" eG ce gf | eG ce Ge |1 
"F" f2 z2 ag :|2"F" f2 z2 c2 |:"Bb" d3 b"C7" ag |"F" fA cf cf |"C7" eG ce Ge |"F" fA cf cf | 
"Bb" d3 b"C7" ag |"F" fA cf cf |"C7" eG ce Ge |1"F" f2 z2 c2 :|2"F" f2 z2 z2 |]  