Compose a piece using the specified musical pattern based on the alphabet and the provided melodic theme.
X:1
L:1/8
M:6/8
K:D
['', 'DFA dAF', 'fdB AFA']  
X:1
L:1/8
M:6/8
K:D
 D |: DFA dAF | dAF BGE | DFA dAF | BGE EFE | DFA dAF | dAF BGE | DFA dAF |1 A,^CE D2 D :|2 
 A,^CE DFA |: fdB AFA | DFA dAF | fdB AFA | Bee efe | fdB AFA | DFA dAF | dgf afd |1 Ace d2 e :|2 
 Ace [dF]3 ||  