Compose a musical piece using the specified sequence's alphabetical representation and the provided motif.
X:1
L:1/8
M:2/2
K:Bb
['B,2 B,D FDBF', 'dfdB egec']  
X:1
L:1/8
M:2/2
K:Bb
 B,2 B,D FDBF | GFGB c/c/c c2 | B,2 B,D FDBF | GFGA B/B/B B2 :| dfdB egec | dfdB c/c/c c2 | 
 dfdB egec | FBAc B/B/B B2 | dfdB egec | dfdB c/c/c c2 | B,DCE DFEG | FBAc B/B/B B2 ||  