Construct a musical piece by amalgamating the designated alphabetical representation and the supplied musical theme.
X:1
L:1/8
Q:1/8=200
M:2/4
K:D
['GD/G/ BG/B/ dB/d/ gB', 'G3 B d^c=cA edBG d^c=cA edBD GD/G/']  
X:1
L:1/8
Q:1/8=200
M:2/4
K:D
"^f" D | GD/G/ BG/B/ | dB/d/ gB | d^c=cA | edBD | GD/G/ BG/B/ | dB/d/ gB | d^c=cA | G3 :: B | 
 d^c=cA | edBG | d^c=cA | edBD | GD/G/ BG/B/ | dB/d/ gd | dcAF | G2 g2 :|  