Craft a musical composition by incorporating the provided motif and the alphabetical representation of the given sequence.
X:1
L:1/8
M:2/2
K:Bb
['BFDF BcdB c B3 d f2 g', 'f3 g fdBd gagf g2 ga bagf']  
X:1
L:1/8
M:2/2
K:Bb
|: B3 c BFDF | BcdB c B3 | d f2 g fdBd | cAFA cedc | B2 Bc BFDF | BcdB c B3 | d f2 g fdBd | 
 cAFA B4 :: f3 g fdBd | gagf g2 ga | bagf edcB | ABcA F4 | f3 g fdBd | gagf g2 ga | bagf edcB | 
 ABcA B4 :|  