Design a musical composition incorporating the alphabetic expression of the chosen structure and the provided melodic theme.
X:1
L:1/8
M:3/4
K:C
['ce e2 e2 dB G4']  
X:1
L:1/8
M:3/4
K:C
 ce e2 e2 | dB G4 | cc e2 g2 | f4 e2 | ce e2 e2 | dB G4 | Bc d2 e2 | c4 c2 |]  