Construct a musical piece by amalgamating the designated alphabetical representation and the supplied musical theme.
X:1
L:1/8
M:6/8
K:Amin
['age ege dBA', 'cBA BAG', 'AcA gdB Gdc']  
X:1
L:1/8
M:6/8
K:Amin
 AcA age | A2 A age | ege dBA | GEG cBA | AcA age | AAA age | ege dBA | GEG A3 :| efe cBA | 
 BAG cBA | ABc eee | gag dcB | ded cBA | BAG AGE | ABc edc | BAG A2 A :| AcA gdB | Gdc BAG | 
 AcA gdB | Gdc B2 B | AcA gdB | Gdc BAG | AcA ded | BAG AAA :|  