Produce a music piece that aligns with the mentioned musical structure and theme.
X:1
L:1/4
M:6/4
K:G
['B G', 'd B'  
X:1
L:1/4
M:6/4
K:G
 d | B G G G3/2 A/ B | c2 B A2 G | F A A A2 B | c3/2 d/ e d B G | c3/2 d/ B A B c | B G G G2 |] B | 
 c3/2 d/ e/f/ g3/2 f/ e | d B c A2 G | c A A A3/2 B/ c | d3 c3 | B3/2 c/ B A2 d | B G G G2 |]  