Utilize the provided motif and the alphabetically represented musical sequence to craft an original musical composition.
X:1
L:1/8
M:2/4
K:G
['g2 dc B2 Gc B/c/d', 'BG dG eG dG']  
X:1
L:1/8
M:2/4
K:G
 g2 dc | B2 Gc | B/c/d GB | cA Af | g2 dc | B2 Gc | B/c/d Ac |1 BG Gf :|2 BG Gd/c/ || BG dG | 
 eG dG | Bd e/d/c/B/ | cA Ad/c/ | BG dG | eG dG | B/c/d Ac | BG Gc | BG dG | eG dG | Bd dc/B/ | 
 cA Ac | Bd cB | cd ef | gd ec | BG G2 ||  