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
['EA, A,2', 'dcdf ecAd (3Bcd']  
X:1
L:1/8
M:4/4
K:D
 DE | F2 FD EA, A,2 | DEFD EA, A,2 | DFEF D2 dB | AFEG FDDE | F2 FD EA, A,2 | DEFD EA, A,2 | 
 DFEF D2 dB | AFEG FD D2 || dcdf ecAd | (3Bcd Ad BdAc | dcdf ecAd | (3Bcd ec d3 A | dcdf ecAd | 
 (3Bcd Ad BdAc | dcdf e2 ed | cdec dBAG ||  