Compose a piece of music that follows the specified structure and incorporates the given theme.
X:1
L:1/8
M:4/4
K:C
['FEF ABc ded cBA', 'd2 e fdB'  
X:1
L:1/8
M:4/4
K:C
[M:6/8][K:D] Eg e dea[Q:1/8=160] z | FEF ABc | ded cBA | BGE EFE | B2 A Bcd | FEF ABc | ded cBA | 
 Bcd ecA | d3 d2 :| A | d2 e fdB | BcB fdB | c2 d ecA | ABA ecA | d2 e fdB | agf ecA | Bcd ecA | 
 d3 d2 :|  