Create a composition following the given musical structure and theme.
X:1
L:1/4
M:none
K:G
['z d']  
X:1
L:1/4
M:none
K:G
 G | _B B c c | d2 d2 z d | =f2 f e2 d/c/ | d d c2 z =f | d2 d d2 c | =f2 d2 z d | c _B d B | 
 A2 G2 z d | d2 d c2 A | _B G =F2 z c | c c d e | =f2 _B2 z d | c _B d B2 A/G/ | A2 G2 |]  