Compose music that adheres to the provided musical structure and theme.
X:1
L:1/8
M:2/2
K:F
['AB cfef afcA BcdB FBdB', 'AB cfAf cf A2 dfBf dfBd'  
X:1
L:1/8
M:2/2
K:F
 AB | cfef afcA | BcdB FBdB | (Ac)fg afba | gfed (c/d/c) AB | cfef afcA | BcdB FBdB | Acfa gbeg | 
 f2{g} fe{fg} f2 :: AB | cfAf cf A2 | dfBf dfBd | cfAf cfAf |{a} gfga{ga} g2 AB | cfAf cf A2 | 
 dfBf dfBd | cfaf gbeg | f2{g} fe{fg} f2 :|  