Assemble a piece of music by merging the alphabetic representation of the predetermined musical pattern and the provided melodic theme.
X:1
L:1/8
M:4/4
K:Edor
['BE (3EEE', 'B2 e^c d2 cA', 'Ed^cd BdAd BE (3EEE B2']  
X:1
L:1/8
M:4/4
K:Edor
|: BE (3EEE B2 ^cA | BE (3EEE ADFA | BE (3EEE BE^cE | dDED ADFA :| B2 e^c d2 cA | B2 ed BAFA | 
 B2 e^c d2 cA | BAB^c dAFA | B2 e^c d2 cA | (3Bcd ef g2 fg | (3agf g2 fge^c | BAB^c dAFA || 
 Ed^cd BdAd | BE (3EEE B2 FA | Bd^cA B2 Ac | dD (3DDD ADFA | Ed^cd BdAd | BE (3EEE B2 AF | 
 DFA^c d2 de | fae^c d4 ||  