In what year was the album “material” released by Aco?

In what year was the album “material” released by Aco?: The album “material” was released in 2001 by Aco, featuring 2 tracks.
What is the most successful song from the album “material” by Aco?: “不安なの (Fuan nano)” is the biggest hit from the album “material” by Aco.

Other artists of Electro pop