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The original release consisted of 2 CDs, in a gatefold card wallet with two square photo postcard inserts:

CD One - matrix [For Rooms] (99-00) - tracks 1-10

matrix (for rooms) forms an invisible pattern which fills the listening space.
the listener's movements transform the phenomenon into his +/- her intrapersonal music.

CD Two - .matrix (99-00) - tracks 11-20

Japan’s leading electronic composer and visual artist Ryoji Ikeda focuses on the essential characteristics of sound itself and that of visuals as light by means of both mathematical precision and mathematical aesthetics. Ikeda has gained a reputation as one of the few international artists working convincingly across both visual and sonic media.

1. ryojiikeda.com