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
['G E']  
X:1
L:1/4
M:4/4
K:G
 D | G D B, G | (A F) D (E/F/) | G E D ^C | D3 | A | B (B/A/) G B | (c B) A G/A/ | B G E D | 
 C B,2 | (G/A/) | B A G B | (c B) A (G/A/) | B G E D | C (B,) D | G | D3/2 B,/ D G | A F D G/A/ | 
 B d c/B/ A | B G E | C | D E/F/ G2 |]  