Construct a musical piece by amalgamating the designated alphabetical representation and the supplied musical theme.
X:1
L:1/8
M:3/4
K:E
['B2 AGAc c2']  
X:1
L:1/8
M:3/4
K:E
 EEG | B2 AGAc | c2 BEEG | B2 AGAc | c2 BBBc/d/ | e2 dfe/d/c | B2 z ecB | G2 B2 cB | G3 |]  