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:D
['(3Bcd AF', 'FA (3Bcd AF']  
X:1
L:1/8
M:4/4
K:D
 d F3 AGFE | D2 FD EDB,D | A,DFA (3Bcd AF | E3 D E2 FA |1 d F3 AGFE | DEFD EDB,D | A,DFA (3Bcd AF | 
 EA,CE D2 FA :|2 d3 B c3 A | B3 d AGFE | D2 FA (3Bcd AF | EA,CE D2 FA || d2 fd edfd | B3 d AGFE | 
 D2 FA (3Bcd AF |1 E3 D E2 FA | d2 fd edfd | B3 d AGFE | D FA (3Bcd AF | EA,CE D2 FA :|2 
 E3 D E2 de | faba f d3 | B3 d AGFE | D2 FA (3Bcd AF | EA,CE D3 || fgaf bage | dfec defg | 
 (3agf ge fdec | dABG FAdB :|  