Craft songs that comply with the predetermined chord transitions.
'F', 'C7', 'F', 'C7', 'F'  
X:1
L:1/8
M:2/4
K:F
"F" fe/d/ cc | Ac dc | fe/d/ c>c |"C7" Bc"F" A2 | fe/d/ cc | Ac dc | fe/d/ c>c |"C7" e>c"F" f z |]  