Construct a musical piece by amalgamating the designated alphabetical representation and the supplied musical theme.
X:1
L:1/8
M:2/4
K:A
['c2 (3Ace', 'B4 B2 EG B(dd)a (fg)(af) ec B2']  
X:1
L:1/8
M:2/4
K:A
 c2 (3Ace | d2 (3Bcd | c>BA>G | AEEA | c2 (3Ace | fgae | d2 Tc2 | B4 :: B2 EG | B(dd)a | (fg)(af) | 
 ec B2 | f(dd)f | (egad) | (3cde EG | A4 :|  