Kahn, Douglas. — The sound of music. — 1987. — 22 p. — Speech given on February 27, 1988 in the context of the «Ars Electronica : Festival für Kunst, Technologie und Gesellschaft : Der freie Klang = Free Sound» in Linz, Austria. — Included in the file entitled «Kahn, Douglas». CR+D Code number : VAS B40-C11-3