Design a musical arrangement using the alphabetical representation of the given sequence and the supplied motif.
X:1
L:1/8
Q:1/4=138
M:3/4
K:Amin
['e2 c2 d2', 'e4 e2 a^g a=g fg df d2']  
X:1
L:1/8
Q:1/4=138
M:3/4
K:Amin
 e2 c2 d2 | e2 c2 d2 | fe de fg | ag e4 :: e2 a^g a=g | fg df d2 | c2 ec ed | Bc A4 :|  