Develop a musical arrangement using the specified sequence in alphabetic representation and the provided motif.
X:1
L:1/8
M:4/4
K:A
['e2 cA cdef', 'a2 ef']  
X:1
L:1/8
M:4/4
K:A
|: e2 cA cdef | gedc BcdB | e2 cA cdef | gedB cA A2 | e2 cA cdef | gedc BcdB | cAcd edef | 
 gedB cA A2 :: cAce a2 ef | gedc BcdB | eA (3AAA a2 ef | gedB cA A2 | cAce a2 ef | gedc BcdB | 
 A2 (3Bcd eaaf | gedB cA A2 :|  