Compose a piece of music following the specified structure and theme.
X:1
L:1/8
M:2/4
K:A
['ABcd efga gagf e2 z2 ABcd ecBA', 'EGBG Acec EGBG', 'fdfa ecea BdcB'  
X:1
L:1/8
M:2/4
K:A
|: ABcd | efga | gagf | e2 z2 | ABcd | ecBA | dBAG | A2 A,2 :: EGBG | Acec | EGBG | A2 A2 | EGBG | 
 Acec | EGBG | A2 z2 :: fdfa | ecea | BdcB | c2 A2 | fdfa | ecea | BdcB | A2 A,2 :|  