Construct a musical piece by amalgamating the designated alphabetical representation and the supplied musical theme.
X:1
L:1/8
M:4/4
K:G
['G2 Bd dGBd']  
X:1
L:1/8
M:4/4
K:G
 G2 Bd dGBd | dGBd cAAD | G2 Bd dGBd | ecAc BGGF | G2 Bd dGBd | dGBd cA A2 | G2 Bd dGBd | 
 ecAc BG G2 | g2 gd e2 eg | d2 Bd cA A2 | g2 gd e2 eg | dBAc BG G2 | g2 gd e2 eg | d2 Bd cA A2 | 
 GABc defa | gedc BG G2 |]  