Construct a musical piece by amalgamating the designated alphabetical representation and the supplied musical theme.
X:1
L:1/8
M:6/8
K:C
['c2 E EDE', 'ceg gec']  
X:1
L:1/8
M:6/8
K:C
|: GAB | c2 E EDE | GAG GFE | c2 E EDE | G2 f edB | c2 E EDE | G2 G GFE | DED DEG | A3 :: GG/A/B | 
 ceg gec | Bdg dBG | ceg gec | f3 ee/f/g | agf gfe | d^ce dBG | cBA GEG | A3 :|  