Develop a music arrangement by incorporating the given alphabetical sequence and the provided motif.
X:1
L:1/8
M:2/4
K:A
['ef/e/ ce fe', 'ag fd/f/ af e2 ec/e/ fe ce']  
X:1
L:1/8
M:2/4
K:A
|: ef/e/ ce | fe c/B/A/B/ | cB BA/B/ | cB Bc | ef/e/ ce | fe ce/c/ | B/c/B/A/ cB |1 A2 Ac :|2 
 Ad cB |: A>B ce | a2 ag | fd/f/ af | e2 ec/e/ | fe ce | fe ce/c/ | B/c/B/A/ cB |1 Ad cB :|2 
 A2 Ac ||  