Utilize the provided motif and the alphabetically represented musical sequence to craft an original musical composition.
X:1
L:1/8
M:4/4
K:Bmin
['B3 B f3 f efed c3 e', 'FABc d2 cd edcd BFDE Ff f2']  
X:1
L:1/8
M:4/4
K:Bmin
|: B3 B f3 f | efed c3 e | c2 c2 d2 d2 | BcdB cfed | B3 B f3 f | efed c3 e | c2 c2 d2 d2 |1 
 Bdfd BAFA :|2 Bdfd BABc |: d2 cd edcd | BFDE FABc | d2 cd edcd | BFDE Ff f2 | e2 cf e2 ce | 
 d2 Be d2 Bd | c2 Bc fedc |1 Bcde fdBc :|2 dBdf b4 ||  