Construct a melodic piece using the designated alphabetic pattern and the provided musical theme.
X:1
L:1/8
M:4/4
K:Amin
['e2 ef edcB', 'cGEG cedc BGDG BdcB']  
X:1
L:1/8
M:4/4
K:Amin
|: e2 ef edcB | A^GAc B^G (3EEE | e2 ef edcB | ABcd (3eee e2 | e2 ef edcB | A^GAc B^G (3EEE | 
 dfed cedc | ABcd (3eee e2 :: cGEG cedc | BGDG BdcB | A^GAB cBcd | (3efe (3dcB A2 AB | cGEG cedc | 
 BGDG BdcB | AcGc FcEc | Bc (3dcB (3ccc c2 :|  