Using the provided alphabet sequence and motif, develop a unique musical composition.
X:1
L:1/8
M:6/8
K:Bmin
['FBF BFB A3', 'f gfe fdB A3']  
X:1
L:1/8
M:6/8
K:Bmin
|: B | FBF BFB | A3 AFA | FBF BFe | BAF FED | FBF BFB | A3 ABc | dcB cAF | FEE E2 :: f | gfe fdB | 
 A3 Adf | g3 fdB | AFA B2 f | gfe fdB | A3 ABc | dcB cAF | FEE E2 :|  