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:6/8
K:G
['dcB dcB', 'c2 e dcB gfe dBc']  
X:1
L:1/8
M:6/8
K:G
 g | dcB dcB | dcB d2 g | dcB dcB | cAB c2 e | dcB dcB | dcB de=f | dfe fed | cAB | c2 :: e | 
 dcB gfe | dBc d2 g | dcB gfg | cAB c2 e | dcB gfe | dBc dcB | cde dcB | cAB c2 e :|  