Compose a piece of music using the specified alphabetical notation system and the provided theme.
X:1
L:1/8
M:9/8
K:G
['g2 (d d2 c)', 'B2 d']  
X:1
L:1/8
M:9/8
K:G
 g2 (d d2 c) (Bcd) | e2 (a a2 g) (fe)d | g2 (d d2 c) Bcd | e2 g f2 a g3 :: B2 d (dc)B (dc)B | 
 c2 eedc edc | B2 d (dcB) (dcB) | ecA AGF"^Notes missing" z3 :|  