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:12/8
K:Emin
['', 'e f2 d', 'gfe b2 e']  
X:1
L:1/8
M:12/8
K:Emin
 d |: B2 E EDE d3 A2 G | F2 D DED F2 G ABc | B2 E EDE d3 e2 g |1 g2 e f2 d e3 e2 d :|2 
 g2 e f2 d egf e2 f |: gfe b2 e gfe b2 e | f2 d A2 g f2 g a2 f | gfe b2 e gfe b2 e |1 
 f2 d B^cd egf e2 f :|2 f2 d B^cd e3 e2 d ||  