Utilize the provided motif and the alphabetically represented musical sequence to craft an original musical composition.
X:1
L:1/8
Q:3/8=80
M:6/8
K:Cmin
['B, E>EE EFG B>cB B2 B c>dc']  
X:1
L:1/8
Q:3/8=80
M:6/8
K:Cmin
 B, | E>EE EFG | B>cB B2 B | c>dc cBG | F>GF E2 e | edc cBc | e>cB c2 C | CB,C EFG | FGE C2 |]  