Craft a musical composition by incorporating the provided motif and the alphabetical representation of the given sequence.
X:1
L:1/4
M:4/4
K:C
['B d', 'A d d/^c/d/f/ a f']  
X:1
L:1/4
M:4/4
K:C
[M:4/4][K:G] e/e/!p![Q:1/8=450] e/4f/4 | g B d G | B d d3/2 B/ | c A F A | e d d e/f/ | g B d G | 
 B d d3/2 B/ | c A F A | A G G3/2 :| B/ | A d d/^c/d/f/ | a f f3/2 a/ | g e e/d/e/g/ | 
 f d d/^c/d/B/ | A d d/^c/d/f/ | a f f a | g3/2 f/ g e |1 d2 d ^c/ :|2 d2 d e/f/ ||  