Develop a piece of music conforming to the stated structure and theme.
X:1
L:1/8
Q:1/8=232
M:4/4
K:F
['af gc de', 'BG Bd'  
X:1
L:1/8
Q:1/8=232
M:4/4
K:F
|: c2 | cf af gc de | fe gf af ga | bg af gd bg | fe dc cB AB | cf af gc de | fc af gc de | 
 fe fd cB AG | F2 F2 F2 :: cB | BG Bd BG Bd | cA ce cA ce | dB dg ag dB | fe cA FD dc | 
 BG Bd BG Bd | cA ce cA ce | df ed cB AG | F2 F2 F2 :|  