Utilize the provided motif and the alphabetically represented musical sequence to craft an original musical composition.
X:1
L:1/8
Q:1/4=120
M:2/2
K:G
['E2 eB', 'ef g2']  
X:1
L:1/8
Q:1/4=120
M:2/2
K:G
"^Fast" [GB]2 AG E2 Ee | dBAG EG[GB]A | [GB]2 AG E2 eB | dBAF G2 [EA]F | [GB]2 [GA]G E2 eB | 
 dBAG EG[GB]A | [GB]2 [GA]G E2 eB | dBAF G2 |: ef | g2 ef g2 eg | fefg afdd | g2 ef g2 dc | 
 BGAG EGGB | g2 ef gfeg | fefg afdf | bgaf g2 ed | BGAG EGG :|  