Develop a musical piece that combines the given theme and letter-structured outline.
X:1
L:1/8
M:4/4
K:Amix
['EAAe cABc dfed', 'efga gdeB dega bgag Aaab (3(baa) Ag']  
X:1
L:1/8
M:4/4
K:Amix
|: cA (3AAA EAAe | cABc dfed | cA (3AAA EA=cA | BG (3GGG Gged | cAAe EAAe | cABc dfed |1 
 cBcd efge | dGBd gede :|2 (3(cdc) cd eage | dGBd gedg |: Aaab (3(baa) Ag | eaab c'ab"^(#)"g | 
 efga gdeB | dega bgag | Aaab (3(baa) Ag | eaab c'aAb | c'aac' bgef |1 gaba gedg :|2 gaba gede ||  