Utilize the provided motif and the alphabetically represented musical sequence to craft an original musical composition.
X:1
L:1/8
M:6/8
K:Bb
['B2 d dBd A2 c']  
X:1
L:1/8
M:6/8
K:Bb
"Gm" B2 d dBd |"F" A2 c cAc |"Gm" B2 d"Bb" dBd |"F" f3"Gm" b3 |"Bb" B2 d dBd |"F" A2 c cAF | 
"Gm" G/A/BG"F" A/B/cA |"Eb" G3"Bb" B3 ::"F"{c} f2 g"Bb" fdB |"Gm"{d} b2 g"Bb" fdB | 
"C" e2 g"Bb" fdB |"F" A3 c3 |"Bb" D2 F FDF |"Gm" B2 d"F" cAF |"Eb" G/A/BG"C" A/B/cA |"Gm" G3 B3 :|  