Craft a music piece according to the prescribed structure and the input theme.
X:1
L:1/8
M:2/4
K:C
['GBcc dB G2 ce e2 ge c2']  
X:1
L:1/8
M:2/4
K:C
 GBcc | dB G2 | ce e2 | ge c2 | ddBA | GGce | ddBA | GG c2 |]  