Compose music that follows the specified structure and includes the provided theme
X:1
L:1/4
M:4/4
K:G
['B/ B']  
X:1
L:1/4
M:4/4
K:G
 D/ | D D G G | B3/2 A/ G z/ G/ | E E F F | G2 D z/ B/ | B B d3/2 B/ | B A/B/ c z/ A/ | A A B G | 
 A2 G z/ |]  