Compose a piece using the specified musical pattern based on the alphabet and the provided melodic theme.
X:1
L:1/8
M:3/4
K:D
['(3(ABd) fd']  
X:1
L:1/8
M:3/4
K:D
|: DF |"D" A2 A>G F>A |"D" d2 d>c d>f |"A" e2 e>d e>f |"D" a>b a2 DF |"D" A2 A>G F>A | 
"D" d2 d>c d>f |"A" e2 e>d e>f |"D" d4 :: B2 |"D" (3(ABd) fd fd |"D" (3(ABd) fd fd | 
"A" (3(ABc) ec ec |"A" (3(ABc) ec ec |"D" (3(ABd) fd fd |"D" (3(ABd) fd fg |"A" a2 af ef |1 
"D" d4 :|2"D" d3 |: A d>e |"D" f2 f>e f>e |"D" d2 d>e d>c |"G" B2 B>A F>A |"G" B2 B>A F>A | 
"D" f2 f>e f>e |"D" d2 d>c d>f |"A" a>b a>f e>f |1"D" d3 :|2"D" d2 |]  