Construct a musical piece by amalgamating the designated alphabetical representation and the supplied musical theme.
X:1
L:1/8
M:4/4
K:A
['e2 Tc2', 'fBB a AAcA eAAa AAcA fBBa AAcA', 'fBB f eaca eAAf eaca fBBf eaca', 'fBB a AAcA eAAa AAcA fBBa AAcA']  
X:1
L:1/8
M:4/4
K:A
 a | e2 Tc2 eAAf | e2 c2 fBBa | e2 Tc2 eAcA | dfce fBB :: a | AAcA eAAa | AAcA fBBa | AAcA eAcA | 
 dfce fBB :: f | eaca eAAf | eaca fBBf | eaca eace | dfce fBB :: a | AAcA eAAa | AAcA fBBa | 
 AAcA eAcA | dfce fBB :|  