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
 G2 G F | B B B G | F F2 G | F2 F z | G B B G | B B c f | d2 d c | f2 f d | c2 c c | d c d f | 
 B2 G B | F2 F2 | G B B B | c d B G | F4- | F2 z2 |]  