About the film
Elektro Moskva is a 2013 Austrian music documentary film directed and written by Elena Tikhonova and Dominik Spritzendorfer. It is their directorial debut. The film is an essayistic exploration of Soviet and post-Soviet "electro-history", spanning from Theremin to synthesizers to KGB surveillance tools.
From the film's Wikipedia article (CC BY-SA 4.0).