Utilize the provided motif and the alphabetically represented musical sequence to craft an original musical composition.
X:1
L:1/4
M:none
K:Bb
['F F']  
X:1
L:1/4
M:none
K:Bb
 F | F B D3 D | D F C3 F | F G A2 D | E D2 F | F A c3 F | D F B3 d | c/B/A/G/ F2 E | E D2 |]  