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• 09:14, 19 August 2022 Kurt talk contribs deleted page Variophone (content was: "{{About|the optical synthesizer|the electronic wind instrument|Variophon}} {{No footnotes|date=March 2011}} The '''Variophone''' was developed by Evgeny Sholpo in 1930 at Lenfilm Studio Productions, in Leningrad, the Soviet Union, during his experiments with graphical sound techniques, also known as ''ornamental'', ''drawn'', ''paper'', ''artificial'' or ''synthetic'' sound. In his research Sholpo was assisted by the composer Georgy...")