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
['B2 AB c3 B', 'B2 A/B/c']  
X:1
L:1/8
M:4/4
K:Bmin
|: EA | F2 B2 B2 AB | c3 B BAcB | A2 F2 E2 F2 | A3 B AFEA | F2 B/c/B B2 AB | c3 B B2 d/c/B | 
 A3 F E2 FA | B4 B2 :: A/B/c | d3 c d3 e | fedc B/c/B A2 | A2 e2 e3 f | g>fed B2 A/B/c | 
 dAde f2 e/d/c | B/c/d ce d3 A | B3 A FDFd | B4 B2 :|  