Can were a German experimental rock band formed in Cologne in 1968 by Holger Czukay, Irmin Schmidt, Michael Karoli, and Jaki Liebezeit. They featured several vocalists, including the American Malcolm Mooney and the Japanese Damo Suzuki. They have been hailed as pioneers of the German krautrock scene.
The founding members of Can came from backgrounds in avant-garde music and jazz. From Wikipedia