Utilize the provided motif and the alphabetically represented musical sequence to craft an original musical composition.
X:1
L:1/8
Q:1/2=90
M:4/4
K:G
['GBdg bgaf', 'G2 B>d .G.G B>d.G.G c>e dB cA']  
X:1
L:1/8
Q:1/2=90
M:4/4
K:G
 GBdg bgaf | gedg dB A2 | GBdg bgaf | ged>e BG G2 :: B>d .G.G B>d.G.G | c>e dB cA A2 | GBdg bgaf | 
 ged>e BG G2 :|  