John Cage, Variations VII, 1966.

Audio excerpt of Variations VII by John Cage. Produced by Billy Kl├╝ver. Recorded October 16, 1966. 1 sound reel (85 min., 59 sec.): instantaneous, acoustic. First recording of the October 16, 1966 performance, presented as part of 9 Evenings: Theatre and Engineering, The 69th Regiment Armory, New York, N.Y., United States, October 15-16, 1966. The Daniel Langlois Foundation for Art, Science, and Technology, 9 Evenings: Theatre and Engineering fonds.

Excerpt of the factual footage shot in 16 mm film by Alfons Schilling. The Daniel Langlois Foundation for Art, Science, and Technology, 9 Evenings: Theatre and Engineering fonds.