Construct a musical piece by amalgamating the designated alphabetical representation and the supplied musical theme.
X:1
L:1/8
M:2/4
K:G
['D2 G>A Bd B2 AG BA', 'd2 G>A BA AG E/F/G/E/ D2 G>A']  
X:1
L:1/8
M:2/4
K:G
 D2 G>A | Bd B2 | AG BA | AG E/F/G/E/ | D2 G>A | Bd B2 | AG BA |1 G2 GE :|2 GA Bd |: gg e/f/g/e/ | 
 dB d2 | G>A BA | AG E/F/G/E/ | D2 G>A | Bd B2 | AG BA |1 GA Bd :|2 G2 GE ||  