2011 repress. This is the third edition of this timeless classic, originally released in 1996. Ryoji Ikeda is Japan's top avant-garde minimalist electronic composer, in the tradition of Alvin Lucier/The Hafler Trio/Bruce Gilbert/CM von Hausswolff/Panasonic, etc. +/- has a particular sonority whose quality is determined by one's listening point in relation to the loudspeakers. Furthermore, the listener can experience a particular difference between speaker playback and headphone listening. The sound signals can be thought of in the same way as spotlights. Lastly, a high frequency sound is used that the listener only becomes aware of upon its disappearance.