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:4/4
K:C
['A,>B, C2 C4']  
X:1
L:1/8
M:4/4
K:C
 A,>B, | C2 C4 A,>B, | C2 C4 DG | A>^F G4 A>G | E6 E>G | (A2 (3A)(G^F) G3 G | C2 G2 G2 C>B, | 
 A,3 B, CC (E>D) | C2 B,B, A,2 (A^F) | G3 C CC (D>C) | C6 z2 |]  