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
['ee e/f/g/a/', "c' aaac' aaac' bd'", 'ceAe ceAe']  
X:1
L:1/8
M:2/4
K:A
 a | ee e/f/g/a/ | eeeA | [df][Ae][df][Ae] | [df][ce][ce]a | ee e/f/g/a/ | ee ee/f/ | edcB | A3 :: 
 c' | aaac' | aaac' | bd' eb | [Aa]3 c' | aaac' | aaac' | bd' eb | [Aa]3 :: e | ceAe | ceAe | 
 (c2 A)e | (c2 A)e | ceAe | ceAe | ceAe | cedB | A3 :|  