Compose a piece of music using the specified alphabetical notation system and the provided theme.
X:1
L:1/8
M:6/8
K:D
['fed cBc ABc']  
X:1
L:1/8
M:6/8
K:D
"D" FAA"G" GBB |"D" FAd fed |"A" cBc ABc |"D" dfe dAG |"D" FAA"G" GBB |"D" FAd fed |"A" cBc ABc |1 
"D" dfe dAG :|2"D" dfe d2 c |:"Bm" dBB fBB | faf fed |"A" cAA eAA | efe edc |"Bm" dBB fBB | 
 faf fed |"A" cBc ABc |1"D" dfe d2 c :|2"D" dfe d3 |]  