Produce a music piece that aligns with the mentioned musical structure and theme.
X:1
L:1/8
M:2/4
K:G
['BB B2', 'DB AG'  
X:1
L:1/8
M:2/4
K:G
|: BB B2 | BB B2 | Bd GA | B4 | cc c>c | cB B>B |1 BA AB | A2 d2 :|2 dd cA | G2- G2 || DB AG | 
 D2- DD/D/ | DB AG | E2- EE/E/ | Ec BA | F2- FA/A/ | dd c/B/A | B2- BG | DB AG | D2- D2 | DB AG | 
 E2- E2 | Ec BA | dd/d/ d^c/d/ | ed c/B/A | G2- G2 ||  