Utilize the provided motif and the alphabetically represented musical sequence to craft an original musical composition.
X:1
L:1/8
Q:1/8=130
M:4/4
K:Bb
['G>AB>c d2']  
X:1
L:1/8
Q:1/8=130
M:4/4
K:Bb
 G>AB>c d2 g>e | e2 g>e (d2 g)(d/B/) | G>AB>c d2 g>a | b2 a>g g2 z (g | ^f>)(d=e>f) g>a (ba/g/) | 
 ^f>(d"^*"=e>)(f g3) a | (b>ab>g) f<d (Bc/d/) | e>c d3/2B d3/2{cedcBAcBAG}^F/ | G>(AB>c d2) g>d | 
 (e2 g>)(e d2) g(B/A/) | G>AB>c d2 g>a | (b2{c'} a>g{bc'} g2) |]  