Compose a piece of music that follows the specified structure and incorporates the given theme.
X:1
L:1/8
M:4/4
K:G
['AB c2']  
X:1
L:1/8
M:4/4
K:G
 GA | B2 BB B2 AB | c2 A2 z2 AB | c2 cc c2 Bc | d2 B2 z2 Bc | d2 ddcBAG | e2 e2 e2 ge | 
 d2 BB d2 cc | B6 |]  