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:Dmix
['gdB gdB', 'fdB{c} BAB']  
X:1
L:1/8
M:6/8
K:Dmix
 gdB gdB | gdB g2 a | bag gfg | afd d^cd | gdB gdB | gdB g2 a | bag fga |1 g3 g2 z :|2 g2 =f2 z |: 
[K:Bb] fdB{c} BAB | fBB gBB | fdB{c} BAB | cAF FAc | fdB{c} BAB | fBB gBB | fba gfe |1 dcB AGF :|2 
 dcB AFd |]  