Create a composition by utilizing the given alphabet-based musical pattern and the provided melodic theme.
X:1
L:1/8
M:6/8
K:Bmin
['BAB Bde fdf faf ede fAB', 'ede fAB', 'eff ede fAB', 'ede fAB']  
X:1
L:1/8
M:6/8
K:Bmin
|: BAB Bde | fdf faf | ede fAB | ded BGB | BAB Bde | fdf faf | ede fAB | dBB BBB :: faB dBe | 
 fBf aBf | ede fAB | ded BGB |1 faB dBe | fBf aBf | ede fAB | dBB BBB :|2 BAB Bde | fdf faf | 
 ede fAB | dBB BBB |: ABB Bdd | dee eff | ede fAB | edd BGG | ABB Bdd | dee eff | ede fAB | 
 dBB BBB :: fBB dBB | fBB aBB | ede fAB | edd BGG |1 fBB dBB | fBB aBB | ede fAB | dBB BBB :|2 
 ABB Bdd | dee eff | ede fAB | dBB BBB ||  