Compose a piece adhering to the given musical structure and theme.
X:1
L:1/16
Q:1/4=110
M:2/4
K:A
['c4 (B2A2)', 'c4 (B2A2)'  
X:1
L:1/16
Q:1/4=110
M:2/4
K:A
 (AB) | c4 (B2A2) | B2B2 cBAB | c4 (B2A2) | cBAG A2 :: (cd) | e2e2 e2(af) | e2e2 e2(cd) | 
 e2e2 f=gfe | dcBA ^G2 (AB) | c4 (B2A2) | B2B2 cBAB | c4 (B2A2) | cBAG A2 :|  