Craft a music piece according to the prescribed structure and the input theme.
X:1
L:1/4
M:4/4
K:A
['e a']  
X:1
L:1/4
M:4/4
K:A
|: A/B/c/d/ e a | e c c2 | d/c/ B c/B/ A | B E E2 | A/B/c/d/ e a | e c c2 | d/c/ B c/B/ A | 
 B G A2 | e/d/c/d/ e a | e a c'2 | d/e/f/g/ a f | e g b2 | e/d/c/d/ e a | c' a e2 | 
 d'/c'/b/a/ g e | a A A2 :|  