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
['dB B2', 'f2 fe defg ad d2 dcAB c3']  
X:1
L:1/8
M:4/4
K:G
 dB B2 dB B2 | dA A2 dA A2 | DEFG ABcA | defg afge | dB B2 dB B2 | dA A2 dA A2 | DEFG ABcA | 
 dBcA BG G2 :: f2 fe defg | ad d2 dcAB | c3 d cBAB | cAdc AGEG | f2 fe defg | ad d2 dcAB | 
 c3 d cBAB | cAGE FD D2 :|  