Develop a musical composition using the alphabetic representation of the specified sequence and incorporating the given motif.
X:1
L:1/4
M:4/4
K:Bb
['c B']  
X:1
L:1/4
M:4/4
K:Bb
 B2 | A F E G | F2 D C | D F B3/2 B/ | A2 z F | A B c d | f3/2 e/ d c | B B d3/2 c/ | c2 z F | 
 c B e3/2 d/ | d c z c | d B f3/2 e/ | d2 z d | d d g3/2 f/ | f2 e c | B F d3/2 c/ | B3 F | 
 c B e3/2 d/ | d c z c | d B f3/2 e/ | d2 z d | d d g3/2 f/ | f2 e c | B F d3/2 c/ | B2 |]  