Compose a piece of music that adheres to the specified alphabetical framework and includes the provided theme.
X:1
L:1/8
M:2/4
K:C
['CB,/C/ D2']  
X:1
L:1/8
M:2/4
K:C
 G, | CD_EC | B,CD z | C2 G2 | FGCC | DDGG | _ED/E/ C2 | CB,/C/ D2 | CB,/C/ D2 | C2 GG | _ED/E/C |]  