Compose a piece of music following the specified structure and theme.
X:1
L:1/4
M:4/4
K:G
['A A']  
X:1
L:1/4
M:4/4
K:G
 D | G G A A | B A G B | B A B c/e/ | d d/c/ B d | e d c A | A B z B | c B B A | A G z |]  