A rather interesting artist collective based in Kyoto, Japan. They tour all around the world presenting multimedia projects...more like art happenings or performance pieces really... tackling various aspects of modern society. Some of dumb type's installations, such as OR, use an amalgamation of acid jazz, ambient music and noise, video montages, and various types of modern dance. Overtly philosophical and political messages are used as well... as with all types of art. there's even an official webpage at http://dt.ntticc.or.jp dumb type also work with Ryoji Ikeda, a musician that creates experimental techno and other fun stuff