Construct a musical piece by amalgamating the designated alphabetical representation and the supplied musical theme.
X:1
L:1/4
M:4/4
K:G
['c c']  
X:1
L:1/4
M:4/4
K:G
 G | d2 d G | d2 d =f | e d c B | c/d/e/c/ d d | B B c c | d2 B B | c c d d | B2 G G | c c A A | 
 G2 z |]  