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
['BBB fedfd BBB f2 eaf BBB fedef']  
X:1
L:1/8
M:4/4
K:Bmin
 BBB fedfd | BBB f2 eaf | BBB fedef | d2 BF AAAF | BBB fedfd | BBB f2 eaf | BBB fedef | 
 d2 ee fefa | bbb fafef- | fefe aaaf | bbbf afef- | fdef d2 fa | bbb fafef- | fefe aaaf | 
 bafe fedB | eeef edBA :|  