Develop a music arrangement by incorporating the given alphabetical sequence and the provided motif.
X:1
L:1/8
M:2/2
K:E
['G E<GB>G E>eg>f .e>.cB>G c<FF>G E<GB>G E>eg>e', '[Be] a g<ef>g a>fg>e c>Ba>g a<ff>a .e>.cB>G']  
X:1
L:1/8
M:2/2
K:E
 G | E<GB>G E>eg>f | .e>.cB>G c<FF>G | E<GB>G E>eg>e | c>de>f g<e [Be] :| a | g<ef>g a>fg>e | 
 c>Ba>g a<ff>a | .e>.cB>G c/B/c/d/ e>c | B>df>a g<ee>a | g>ec<e B<eB>G | A<cB>G c<FF>G | 
 E>G F>A G>B A>c | B>ed>f e<E [B,E] ||  