Develop a musical arrangement based on the stated alphabetical form and the given motif.
X:1
L:1/8
M:4/4
K:Amin
['ABcd e2', 'Aa a2']  
X:1
L:1/8
M:4/4
K:Amin
|: ABcd e2 dc | Bg g2 BAGB | ABcd e2 ed | ^cABG A2 A2 :: Aa a2 edcA | Bg g2 BAGB | Aa a2 edcd | 
 ^cABG A2 A2 :|  