Compose a music piece that includes the specified motif while adhering to the outlined alphabetical sequence.
X:1
L:1/8
M:3/4
K:Bb
['B,>D DF FB Bd (d/B/)F/D/ E2 C>F', 'd>f ff ff db (b/a/)g/^f/ g2', 'DF/B/ dB FD EG/B/ eB GE FA/c/']  
X:1
L:1/8
M:3/4
K:Bb
|: B,>D DF FB | Bd (d/B/)F/D/ E2 | C>F Fz/A/ Ac | ce (e/c/)A/c/ B2 :: d>f ff ff | 
 db (b/a/)g/^f/ g2 | e>g gg gg | eb ba/g/ =f2 | d>f ff ff | db (b/a/)g/^f/ g2 | ee ce/c/ Ac/A/ | 
 =FG/A/ [DB]4 :: DF/B/ dB FD | EG/B/ eB GE | FA/c/ ec AF | BB dB/d/ f2 | DF/B/ dB FD | 
 EG/B/ eB GE | FA/c/ ec AF | (=E/F/)G/A/ [DB]4 :|  