Compose a piece of music that follows the specified structure and incorporates the given theme.
X:1
L:1/8
M:4/4
K:A
['c<e A<e c<e', 'e<AA e c>e a2 a/g/f/e/ a2 B>d'  
X:1
L:1/8
M:4/4
K:A
 e | c<e A<e c<e a2 | f<d =g2 B<=G G>B | c<e A<e c<e a>f | =g>d B>d e<AA :| e | 
 c>e a2 a/g/f/e/ a2 | B>d =g2 B<=G G>B | c>e d>f e>=g f>a | =g>ea>e c<AA ||  