Construct a musical piece by amalgamating the designated alphabetical representation and the supplied musical theme.
X:1
L:1/8
M:6/8
K:Amix
['edB AAA eee efg edB cAc BGG', 'eaa eaa dBd egg']  
X:1
L:1/8
M:6/8
K:Amix
|: edB AAA | eee efg | edB cAc | BGG Bcd | edB A3 | ABc e2 f | gaa age | edB BAA :: eaa eaa | 
 dBd egg | eag f2 d | edB Bdd | eaa eaa | dBd egg | gaa age | edB BAA :|  