Create a musical composition using the provided alphabet sequence and motif.
X:1
L:1/8
M:4/4
K:Bmin
['f2 ef', 'BB fB']  
X:1
L:1/8
M:4/4
K:Bmin
|: f2 ef BB d2 | f2 ef d2 eA | f2 ef BB d2 | eA c2 AA ec :: BB fB BB d2 | BB fB cA ec | 
 BB fB BB df | eA c2 AA ec :|  