Construct a musical piece by amalgamating the designated alphabetical representation and the supplied musical theme.
X:1
L:1/8
M:4/4
K:D
['D2 FA BGBd D/D/D FA d2 cd', 'eAce fd f/^g/a']  
X:1
L:1/8
M:4/4
K:D
 D2 FA BGBd | D/D/D FA d2 cd | eAce fdfa | edcB AGFE | D2 FA BGBd | D/D/D FA d2 cd | eAce fgec | 
 d2 dc d2 D/D/D | D2 FA BGBd | D/D/D FA d2 cd | eAce fdfa | (3efe (3dcB (3ABA (3GFE | D2 FA BGBd | 
 D/D/D FA d2 cd | eAce fgec | d2 dc d2 cd || eAce fd f/^g/a | eAce fd f/^g/a | ea^gf edcB | 
 A/B/A ^GB A2 A=G | FDFA dfaf | g2 B2 b2 ag | (3fag (3fed (3cBA (3GFE |1 D2 F2 D2 cd :|2 
 D2 F2 D4 ||  