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
Q:1/8=180
M:2/2
K:G
['', 'cAAB cABG', 'eaag edd z']  
X:1
L:1/8
Q:1/8=180
M:2/2
K:G
"^D modal" ed |: cAAB cABG | EGDG EGDB | cAAB cABG |1 Addc defd :|2 Addc d2 || de | f2 fd e2 ec | 
 dfed cAAg | f2 fe e2 ed | eaag edd z | eaag edd z | fgaf efge | dfed cAAG | Addc defg | 
 afge dfed |]  