Construct a musical piece by amalgamating the designated alphabetical representation and the supplied musical theme.
X:1
L:1/8
Q:1/4=100
M:2/4
K:G
['B/G/A DG F/G/A/B/']  
X:1
L:1/8
Q:1/4=100
M:2/4
K:G
 G | BcdG | Bcdd | edcB | AB c(G/A/) | BcdG | Bcdd | edcB | AB c!fermata!d/c/ | B/G/A DG | 
 F/G/A/B/ c/A/d/c/ | B/G/A DG | F/G/A/B/ Gd/c/ | B/G/A DG | F/G/A/B/ c/A/d/c/ | B/G/A DG | 
 F/G/A/B/ G |]  