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
['A/A/A cB A/A/A a2 f2', 'eAA f ecae f2 ef A/A/A ae'  
X:1
L:1/8
M:4/4
K:A
|: e | A/A/A cB A/A/A a2 | f2 ec fBBa | A/A/A cB A/A/A a2 | f2 ec eAA :: f | ecae f2 ef | 
 A/A/A ae fBBf | ecae fafe | afec eAA :|  