Compose a piece of music following the given alphabetical representation of the musical structure and the provided motif.
X:1
L:1/8
Q:1/8=460
M:4/4
K:D
['', 'd2 [fd][fd] [fd]2', 'd2 [fd][fd]']  
X:1
L:1/8
Q:1/8=460
M:4/4
K:D
 fg |: abaf abaf | abaf bfaf | gage gage | gage gbag | fefg fede | f a2 f abag | fedf edce |1 
 d2 [fd][fd] [fd]2 fg :|2 d2 [fd][fd] [fd]2 AB |: defA d2 f2 | defg afec | ABcB ABcB | Aece Aece | 
 dAfA d2 f2 | defa abag | fedf edce |1 d2 [fd][fd] [fd]2 AB :|2 d2 [fd][fd] [fd]4 |]  