Assemble a piece of music by merging the alphabetic representation of the predetermined musical pattern and the provided melodic theme.
X:1
L:1/16
M:2/4
K:G
['e d']  
X:1
L:1/16
M:2/4
K:G
 d2 e d e d B A | A G A B d e d A | A d d G A G F E | E D G D D4 | G2 A B G2 F E | D2 d2 c2 B A | 
 d e d G A G F E | D2 E G D4 |]  