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
['DFA dAF', 'ddd cec dAF', 'D3 DFA d2 d BAG GFE DFA'  
X:1
L:1/8
M:6/8
K:D
 D2 D FEF | DFA dAF | E2 E GFE | DFA dAF | D2 D FEF | DFA dAF | E2 E GFE | FDD D3 :| DFA | 
 ddd cec | dAF DFA | dcB cBA | BBB B2 c | ddd cec | dAF DFE | G2 A GFE | FDD D3 :| DFA d2 d | 
 BAG GFE | DFA ded | cec d2 e | fdf ece | dBd cAc | BAG ABc | cdd dAF :|  