Create music using the specified musical structure and the provided theme.
X:1
L:1/8
M:2/4
K:G
['dB gB dB', 'g>a ge'  
X:1
L:1/8
M:2/4
K:G
 B | G/A/B/c/ dB | gB dB | gB dB | aA AB | G/A/B/c/ dB | gB dB | cA dc | BG G :: f | g>a ge | 
 a>b af | g>a ge | be ef | g>a ge | a>b af | gd e>c | BG G :|  