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:3/4
K:C
['G2 E2 EC EG G2 FE F2']  
X:1
L:1/8
M:3/4
K:C
 G2 |"C" E2 EC EG |"G7" G2 FE F2 |"G7" DF BD F2 |"C" EG cE G2 |"C" E2 EC EG |"G7" G2 FE F2 | 
"G7" DF BG AB |"C" c2 z2 |]  