Develop a music arrangement by incorporating the given alphabetical sequence and the provided motif.
X:1
L:1/16
M:2/4
K:A
['vA,2CE E2GB A2cA BEcE dEcE BEcB AFEC', 'a2(ga) fece']  
X:1
L:1/16
M:2/4
K:A
 vA,2CE D2F"^4"A |"^SEGUE." E2GB A2cA | BEcE dEcE | BEcB AFEC | A,2CE D2F"^4"A | E2GB A2ce | 
{g} fefg agaf | ecBc"^4" A2 :: (3(uefg) | a2(ga) fece | b2(bg) agfe | gebe gbeg | 
 fe^df .e2(3(efg) | a2(ga) fece | fgag fece | fdge afed | cABG"^4" A2 :|  