John Cage, Variations VII, performed at 9 Evenings: Theatre & Engineering, 1966 @gettyresearch
John Cage, Variations VII, performed at 9 Evenings: Theatre & Engineering, 1966  @gettyresearch
Uploaded October 2024 | Updated September 2026, 2 weeks ago
Excerpt from 9 Evenings: Theatre & Engineering, A Series of 10 Documentary Films
Directed by Barbro Schultz Lundestam
Produced by Billy Klüver and Julie Martin
Original footage by Alfons Schilling
ca. 1995–2007

In 1966, Swedish electrical engineer Billy Klüver and American visual artist Robert Rauschenberg gathered 10 avant-garde artists and 30 Bell Labs engineers to participate in a collaborative, multidisciplinary project combining new technologies with theatre, dance, and music. The event, 9 Evenings: Theatre & Engineering, took place at the 69th Regiment Armory in New York from October 13–22, 1966. More than 10,000 people attended the performances. The event led to the founding of the organization Experiments in Art and Technology the following month.

John Cage, Variations VII, performed at 9 Evenings: Theatre & Engineering, October 15 and 16, 1966
Performance Engineer: Cecil Coker

To create Variations VII, Cage utilized only sounds that were in the air at the time of the performance. He placed contact microphones in locations throughout New York City, including Merce Cunningham’s dance studio, a restaurant kitchen, the sanitation department, and composer Terry Riley’s turtle tank. Telephone lines brought these sounds of city life into the Armory, via phones placed alongside additional sources of sound including a blender, a box fan, and electrodes affixed to performer David Behrman’s head that transmitted physiological sounds. A series of photocells installed below the appliances and phones emitted beams of light that cast dramatic shadows on a screen behind the performers. More than simply visual, the photocells were integral to the sound of the composition; as performers moved around, they interrupted the light beams the photocells produced, triggering switches which turned individual sound on and off.

This clip is part of the Getty Research Institute exhibition Sensing the Future: Experiments in Art and Technology (E.A.T.), on view at the Getty Center from September 10, 2024 through February 23, 2025. Learn more at getty.edu/sensing_the_future

The complete footage of 9 Evenings: Theatre & Engineering, A Series of 10 Documentary Films is available for researchers at the Getty Research Institute (accession number 2023.M.37):
http://primo.getty.edu/GRI:GETTY_ALMA21123876310001551

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John Cage, Variations VII, performed at 9 Evenings: Theatre & Engineering, 1966

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