Develop a musical arrangement based on the stated alphabetical form and the given motif.
X:1
L:1/8
M:4/4
K:Amix
['AG A2', 'ef ag a2 ag']  
X:1
L:1/8
M:4/4
K:Amix
 AB | =cA AG A2 (3ABc | (3dcB (3AGF G2 cd | ed cA dc AG | A2 AG A2 de | f3 d e3 c | 
 d2 cd ef (3gfe | ag fd cA (3GAB | A2 AG A2 :: ef | g2 ga gf ef | gf ga (3gfe fd | ef ag a2 ag | 
 ef ag a2 ag | f3 d e3 c | d2 cd ef (3gfe | ag fd cA (3GAB | A2 AG A2 :|  