Construct a musical piece by amalgamating the designated alphabetical representation and the supplied musical theme.
X:1
L:1/8
M:4/4
K:Amin
['aAce aAce aAdf aAdf', '(3ccc (cA) (3eee']  
X:1
L:1/8
M:4/4
K:Amin
 e2 | aAce aAce | aAdf aAdf | efed cBAe | (fe)dc (Bc)de | aAce aAce | aAdf aAdf | 
 (3efe (3ded (3cdc (3BcB | A2{^g} a2 A2 :: (AB) | (3ccc (cA) (3eee (ed) | cdBc A2 (AB) | 
 (3ccc (cA) (3eee (ef) | de cd Bc AB | (3ccc (cA) (3eee (ed) | cdBc A2 f2 | ef de cd Bc | 
 A2{^g} a2 A2 :|  