Compose a piece of music that follows the specified structure and incorporates the given theme.
X:1
L:1/8
M:6/8
K:D
['', 'dB ABA DFA BAF DFA dcd ede', 'fga gfe'  
X:1
L:1/8
M:6/8
K:D
 dB |: ABA DFA | BAF DFA | dcd ede | f3 def | g3 gab | afd B3 |1 efe e2 d | cBA AdB :|2 ABA efe | 
 d3 dcd |: eAA efg | fdd fga | gfe fed | edB ABd | eAA efg | fdd fga | gfe dcB |1 A3 Bcd :|2 
 A3 AdB ||  