Construct a musical piece by amalgamating the designated alphabetical representation and the supplied musical theme.
X:1
L:1/8
M:2/4
K:C
['GG G>G', 'C>D EC']  
X:1
L:1/8
M:2/4
K:C
 GG G>G | GG E2 | GG G>G | AG E>E | EC C2 | EE C2 ||[M:3/4] C4 C2 |[M:2/4] CC C>D | EC A,2 | 
 CC C>D | EC A,>G,[K:bass] | G,3 G, | A,G, E,2 | G,G, G,>G, | A,G, E,>D, | C,2 !>!E,D, | C,4 :|  