Craft a music piece according to the prescribed structure and the input theme.
X:1
L:1/8
M:2/4
K:G
['B, D D2 B, EEEF DEDC B,2']  
X:1
L:1/8
M:2/4
K:G
 B, | D D2 B, | EEEF | DEDC | B,2 z C | D3 B, | E2 EF | D2 C2 | B,4 | DGGB | A2 A2 | B2 cB | A4 | 
 B3 A | G2 GB | A2 F2 | G2 z |]  