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
['E2 FE DB,B,D A,B,DE{E} F2', 'd2 cA Beed e2 de f2 af']  
X:1
L:1/8
M:4/4
K:D
|: fe | dBAd BAFD | E2 FE DB,B,D | A,B,DE{E} F2 ED | EBBA B2 Bc | defe dBAF | E2 FE DB,B,D | 
 A,B,DE{E} F2 dB | AFEF D2 :: FG | Ad{e}dc d2 cA | Beed e2 de | f2 af egfe | dBAd FEEF | 
 Dd{e}dc d2 cA | Beed e2 de | f2 af egfe | dBAF D2 :|  