Compose a piece of music using the specified alphabetical notation system and the provided theme.
X:1
L:1/8
M:6/8
K:D
['F2 F']  
X:1
L:1/8
M:6/8
K:D
 D2 D A>GF | E2 E E3 | F2 F GAB | B3 A3 | A2 G F2 F | F2 E D3 | D2 D DEF | G2 F E3 | F2 F A>GF | 
 F3 E2 z | F2 A B2 B | ABc d3 | d2 B A2 F | E>FE D3 |]  