Compose a piece of music using the specified alphabetical notation system and the provided theme.
X:1
L:1/4
M:3/4
K:D
['B A2']  
X:1
L:1/4
M:3/4
K:D
 D | E2 D | E F G | C2 E | D2 A | d2 d | c B A | c2 B | A2 A | B2 B | d c B | A2 F | B2 B | A2 F | 
 F E D | F2 E | D2 |]  