That's mainly the Acousmonium

François Bayle (composer, inventor of Acousmonium, director of GRM 1966-1997) and Daniel Teruggi (composer, director of GRM 1997-2017) to Patrick K.-H. (composer, Floating Sound Gallery) on theory and actual setup of Acousmonium. Maison de la Radio (Paris), June 2018. Camera - Anastasia Blur. Used music: Jean-Claude Eloy, « Le Minuit de la Foi » (live projection 01.06.2018), Denis DUFOUR, « BlindPoint » (live projection 02.06.2018). https://www.acousmonium.info/ https://inagrm.com/ With support of Institut Français de Saint-Pétersbourg. TG https://t.me/acousmonium