Compose a piece of music that adheres to the specified alphabetical framework and includes the provided theme.
X:1
L:1/8
M:6/8
K:G
['G2 A', 'G2 A']  
X:1
L:1/8
M:6/8
K:G
 G2 A BcB | B2 A G2 D | G2 A BdB | AcA G3 :: B2 c def | gfe f2 A | d2 e faf | eA^c d3 | G2 A BcB | 
 B2 A G2 D | G2 A BdB | AcA G3 :|  