Merge the assigned motif with the alphabetical notation of the musical sequence to create an exceptional music composition.
X:1
L:1/8
M:2/4
K:Bb
['B B']  
X:1
L:1/8
M:2/4
K:Bb
 F | B B B c | A F F3/2 F/ | B B c c | d2 B | F :|  