Develop a music arrangement by incorporating the given alphabetical sequence and the provided motif.
X:1
L:1/8
M:6/8
K:Bb
['f b2 b gab afd']  
X:1
L:1/8
M:6/8
K:Bb
 F |"Bb" B2 B"F7" cde |"Bb" fdB"Bb7" Bcd |"Eb" e2 e"^(C7)" GAB |"F7" cAF FGA |"Bb" B2 B"F7" cde | 
"Bb" fdB"Bb7" Bcd |"Eb" e2 e"F7" FGA |"Bb" B3 B2 :| f |"Gm" b2 b gab |"Dm" afd def | 
"Eb" g2 g"^(F7)" efg |"Bb" fdB B2 f |"Gm" b2 b gab |"Dm" afd d2 b |"F" agf"C7" gf=e | 
"F" f3-"F7" f2 || f |"Gm" b2 b gab |"Dm" afd def |"Eb" g2 g"F7" efg |"Bb" fdB"Bb7" B2 f | 
"Eb" gfg"F7" aga |"Gm" bag fed |"Cm" ced"F7" cBA |"Bb" B3- B2 |]  