Develop a musical arrangement using the specified sequence in alphabetic representation and the provided motif.
X:1
L:1/8
M:4/4
K:D
['', 'dcde f2 ed', 'a2 f2 ed']  
X:1
L:1/8
M:4/4
K:D
 A |: dcde f2 ed | cBcd e2 A2 | dcde f2 ed | e2 a2 a2 aA | dcde f2 ed | cBcd e2 A2 | defd Beef | 
 e2 d2 d3 f :: a2 a2 f2 ed | cBcd e2 A2 | A2 a2 f2 ed | e2 a2 a2 aA | d2 a2 f2 ed | cBcd e2 A2 | 
 defd Beef | e2 d2 d4 :|  