"Live improvisations recorded 15-21 February 1971 at Musée d’art moderne de la ville de Paris (France) by Pierre Henry from Roger Lafosse's Corticalart device, allowing the transcription of electric cortex waves into electronic signals for further raw manipulation. Technical realization by Groupe Artec with electroacoustic equipment from Apsome & J. Heuze. Originally issued by Philips in 1971 as part of the Prospective 21e siècle collection." - Creel Pone
