Construct a melodic piece using the designated alphabetic pattern and the provided musical theme.
X:1
L:1/8
M:4/4
K:C
['e3 B2 A GFE B2 E FED', 'B2 e ede f2 a afa baf']  
X:1
L:1/8
M:4/4
K:C
[M:12/8][K:Emin] ec ec[Q:1/8=180] e3 B2 A GFE B2 E | FED A2 D d2 D A2 D | e3 B2 A GFE B2 E | 
 FED F2 A F2 E E3 :| B2 e ede f2 a afa | baf a2 f e2 d B2 A | B2 e ede f2 a afa | 
 baf a2 f e3 e2 d | B2 e ede f2 a afa | baf a2 f e2 d B2 A | faf f2 e ded B2 A | 
 FED F2 A F2 E E3 |]  