Develop a music arrangement by incorporating the given alphabetical sequence and the provided motif.
X:1
L:1/16
M:3/8
K:Gdor
['GA B3 A', 'Bc B2 AG']  
X:1
L:1/16
M:3/8
K:Gdor
 GA | B3 A Bc | B4 GA | B3 A Bd | A4 :: Bc | B2 AG AG | F2 D2 Bc | B2 AG AF | G4 :|  