DescriptionJohn Cage in Harvard University's Anechoic Chamber.jpg
English: John Cage sitting in Harvard University's anechoic chamber in 1951, by which he discovered that absolute silence does not exist, motivating him to compose '4'33"'.
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John Cage sitting in Harvard University's anechoic chamber in 1951
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Uploaded a work by {{Unknown|author}} from https://www.storefrontlab.org/inspirationalmaterial/2015/3/11/a-room-built-for-total-silence with UploadWizard
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