Construct a musical composition following the given alphabetical structure and incorporating the specified motif.
X:1
L:1/8
M:6/8
K:D
['FAA ABd BAG', 'FAA AB=c']  
X:1
L:1/8
M:6/8
K:D
|: FAA ABd | BAG AGD | GFG B2 B | AGA E2 D | FAA ABd | BAG AGE | DED F2 A | GEA D3 :: FAA AB=c | 
 ded B2 A | GFG B2 B | AGA E2 D | FAA AB=c | dAd AFE | DED F2 A | GED D3 :|  