Compose a piece adhering to the given musical structure and theme.
X:1
L:1/8
M:4/4
K:Amix
['', 'gf e2 [AE]2 [AE]3 B A2 Bd', 'eA A2'  
X:1
L:1/8
M:4/4
K:Amix
 gf |: e2 [AE]2 [AE]3 B | A2 Bd edBA | agec d2 ed | BAGB d2 gf | e2 [AE]2 [AE]3 B | A2 Bd edBA | 
 agec dfed | BAGB d2 cd :: eA A2 eAfA | eAfA [gB]2 fg | eA A2 eAaA | BAGB d2 cd | eA A2 eAfA | 
 eAfA [gB]3 a | bgaf gfed | BAGB cd :|  