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:G
['(gd)B (GA)G (cBA) (BGD) (gd)B (GA)B', '(def) (gbg)', 'g3 gdB ecA (Bc)A B2 G (gd)B']  
X:1
L:1/8
M:6/8
K:G
|: (gd)B (GA)G | (cBA) (BGD) | (gd)B (GA)B | (cBA) B3 :: (def) (gbg) | (fa)f (e^c)A | (def) (gbg) | 
 (faf) g3 :: gdB ecA | (Bc)A B2 G | (gd)B (ec)A | BdD G3 :|  