Develop a musical arrangement using the specified sequence in alphabetic representation and the provided motif.
X:1
L:1/8
M:2/2
K:Amix
['A>BAe cAce g2 d2 B/=c/d BG A>BAe', 'cA a A2 B c>def g G2']  
X:1
L:1/8
M:2/2
K:Amix
|: A>BAe cAce | g2 d2 B/=c/d BG | A>BAe ^cAce | a^g/f/ ed c/d/e cA :: a A2 B c>def | 
 g G2 d B/=c/d BG | A2 ^gf/g/ a2 ef/g/ | a^g/f/ ed c/d/e cA :|  