M.S.B.R. (Molten Salt Breeder Reactor) is the moniker of 1990s Tokyo noise artist Koji Tano. Many of M.S.B.R.'s recordings are self-released cassettes, with an exception being his duo with Kengo Iuchi entitled One, released by Canada's Alien8 Recordings. M.S.B.R. has toured Asia, Australia, North America, and Europe and has collaborated with other musicians, including Daniel Menche, Bastard Noise, and Crawl Unit.