Compose a piece of music that adheres to the specified alphabetical framework and includes the provided theme.
X:1
L:1/8
Q:1/8=300
M:6/8
K:D
['FAD FAD fed =cAG', 'fed =ceA =ceA cBA']  
X:1
L:1/8
Q:1/8=300
M:6/8
K:D
 A | FAD FAD | fed =cAG | EG=C EGC | =cBd cAG | FAD FAD | fed =cAG | EFG BAG | FAD D2 :| g | 
 fed =ceA | =ceA cBA | fed fed | =cec d2 e | fed =ceA | =ceA cBA | EFG BAG | FAD D2 :|  