Short biography with several photographs of him in action as a conductor.

Biography noting musical development, impact on subsequent artists, and electronic collaboration with Berio.

Biography from All Music Guide noting his professions, instruments played, and featured performances.

Filmography from the Internet Movie Database with films in which he received composer or conductor credits.

Biography tracing his musical development and championing of newer forms. From the Grove Concise Dictionary of Music entry at WQXR radio.