Compose a piece of music using the specified alphabetical notation system and the provided theme.
X:1
L:1/8
M:9/8
K:D
['FEF D2 d cAG', 'D2 d cAd']  
X:1
L:1/8
M:9/8
K:D
|: FEF D2 d cAG | FED AGF GFE | FEF D2 d cAG | F2 A G2 B AGE :| D2 d cAd cAG | F2 d A2 F GFE | 
 D2 d cAd fed | F2 A G2 B AGE :|  