Utilize the provided motif and the alphabetically represented musical sequence to craft an original musical composition.
X:1
L:1/8
Q:1/2=80
M:2/4
K:G
['BGBd AFAc', 'G2 gafg efdf gafg e2 d2 gafg']  
X:1
L:1/8
Q:1/2=80
M:2/4
K:G
 BGBd | AFAc | BGBd | A2 D2 | BGBd | AFAc | BdAB | G2 G2 :| gafg | efdf | gafg | e2 d2 | gafg | 
 edeg | dBcA | G2 [GG,]2 :|  