Craft a musical composition with the supplied motif and conforming to the necessary format.
X:1
L:1/8
M:6/8
K:G
['GAG GED', 'GAG GED', 'B2 G', 'ABc dcB AGE GAG'  
X:1
L:1/8
M:6/8
K:G
|: GAB DED |1 DcB AGE :|2 GAG GED :|3 DcB ABc | dcB AGE | GAG GED :: DBB DAA |1 DBB AGE :|2 
 GAG GED :|3 DBB ABc | dcB AGE | GAG GED :: d^cd efg |1 ded dBG :|2 GAG GED :|3 ded def | gfe dcB | 
 GAG GED :: BDD EDD |1 BGB AGE :|2 GAG GED :|3 BGB ABc | dcB AGE | GAG GED :: B2 G A2 G | 
 B2 G AGE | B2 G AGE | GAG GED || BGG AGG | BGG ABc | dcB AGE | GAG GED :|  