Create a musical composition based on the alphabetized given sequence and the provided motif.
X:1
L:1/8
Q:1/2=70
M:4/4
K:Bb
['FB (e/d/c/B/)', 'B2 bfgf bBcB GcBA Acce dfBd GBEg']  
X:1
L:1/8
Q:1/2=70
M:4/4
K:Bb
 FB (e/d/c/B/) eB (e/d/c/B/) | FB (e/d/c/B/) Accd | FBdB fdbg | fdcB FB B2 :: bfgf bBcB | 
 GcBA Acce | dfBd GBEg | AcFe dB B2 :|  