Construct a musical piece by amalgamating the designated alphabetical representation and the supplied musical theme.
X:1
L:1/8
M:6/8
K:D
['', 'fdB Bcd ecA A2 G FGA', 'efg afd']  
X:1
L:1/8
M:6/8
K:D
 d2 e |: fdB Bcd | ecA A2 G | FGA ABc | dcd efg | fdB Bcd | ecA A2 G | FGA Aag |1 fdd d2 e :|2 
 fdd d2 B |: Adf Adf | gfg efg | afd dcd | Bed cBA | Adf Adf | gfg efg | afd bge | edc d3 :|  