Develop a musical arrangement using the specified sequence in alphabetic representation and the provided motif.
X:1
L:1/4
M:3/4
K:Amin
['C, E, D,']  
X:1
L:1/4
M:3/4
K:Amin
 C, E, D, | ^F, A, G, | C, E, D, | z3 | C, E, D, | ^F, A, G, | z3 | A,/ A,3/2 z | A,/ A,3/2 z | 
 A,/4A,/4 z5/2 ||  