Create a musical composition employing the given alphabetic structure and melodic theme.
X:1
L:1/8
M:6/8
K:D
['', 'A,B,D DB,A, B,A,B, D2 E FAA', 'FAA BAA']  
X:1
L:1/8
M:6/8
K:D
 A, |: A,B,D DB,A, | B,A,B, D2 E | FAA BAA | BAF EDB, | A,B,D DB,A, | B,A,B, D2 E | FAA BAF | 
 EDC D3 :: FAA BAA | dAF d3 | FAA BAA | BAF EDB, | A,B,D DB,A, | B,A,B, D2 E | FAA BAF | EDC D3 :|  