Create a musical composition that adheres to the provided structure and theme.
X:1
L:1/8
M:2/2
K:A
['ABcd efga', 'f2 e2'  
X:1
L:1/8
M:2/2
K:A
 z2 | E2 AA ABcd | efga Acec | cBBB dcBA | GABA ABcd | efga Aceg | agfe gfe^d | g2 e2 e2 :: 
 (3(BBB) | f2 e2 dcBA | GABG E2 ee | agfe dcBA | fd d2 dfaf | f2 e2 cefg | agdf fdBG | A2 A2 A2 :|  