Compose a piece of music that adheres to the specified alphabetical framework and includes the provided theme.
X:1
L:1/8
M:4/4
K:G
['GABc dedB cdef gedc BGBd', 'G2 AG FGAB cdef gafg efde cdBc']  
X:1
L:1/8
M:4/4
K:G
|: BA | GABc dedB | cdef gedc | BGBd gdBG | (3ABA (3GFG D2 FA | GABc dedB | cdef gedc | BGBd cAFA | 
 G2 B2 G2 :: AG | FGAB cdef | gafg efde | cdBc ABGA | (3FGF (3EFE (3DED FA | GABc dedB | 
 cdef gedc | BGBd cAFA | G2 B2 G2 :|  