Develop a musical arrangement using the specified sequence in alphabetic representation and the provided motif.
X:1
L:1/8
M:2/4
K:D
['cd ed', 'd f af ed f2 e2 AB']  
X:1
L:1/8
M:2/4
K:D
|: c/B/ | AB cd | ed c/d/c/B/ | AB cd | ed e/f/e/c/ | A>B cd | ed c>B | AB ce | d2 d :: f | af ed | 
 f2 e2 | AB cd | e2 ef | a>f ed | fg/f/ e2 | AA/B/ ce | d2- d :|  