Compose a piece of music using the specified alphabetical notation system and the provided theme.
X:1
L:1/8
Q:1/8=360
M:12/8
K:D
['G FEF D2', 'g f2 e']  
X:1
L:1/8
Q:1/8=360
M:12/8
K:D
 G | FEF D2 d c2 B A2 G | FEF D2 F E3 E2 G | FEF D2 d c2 B A2 G | F2 D E2 C D3 D2 :| g | 
 f2 e d2 A Bcd A2 g | f2 e def e3 e2 g | f2 e d2 A Bcd A2 G | F2 D E2 C D3 D2 :|  