Craft a musical piece that integrates the provided melodic theme and the corresponding alphabetical pattern.
X:1
L:1/8
M:6/8
K:Bmin
['dBA BAB def ede', 'edB BAB e3 BAB', 'edB BAF E2 G FDE FDE', 'f2 e']  
X:1
L:1/8
M:6/8
K:Bmin
|: dBA BAB | def ede | f2 e ede | faf efe | dBA BAB | def ede | fba fed | f2 e edB :: BAB e3 | 
 BAB fef | Bba fed | f2 e edB | BAB e3 | BAB f3 | baf a2 b | f2 e edB :: BAF E2 G | FDE FDE | 
 FAA ABB | Bdd edB | BAF E2 G | FDE FDE | FAB def |1 fed edB :|2 fed e3 |: fef b2 f | fef a3 | 
 fba fed | f2 e ede | fef b2 f | fef a3 | baf a2 b |1 f2 e ede :|2 f2 e edB ||  