Four long and vaporous unreleased tracks that document the Camisasca's first mystical afflatus, bringing to light the moments of "collective meditation" of some events in 1978, including the recordings drawn from the exhibition 'L'Evoluzione Interiore Dell'Uomo', which took place at the Villa Reale in Monza. 'Evoluzione Interiore' is an intense minimalist work where singing generates a universal and archetypical spiral of purity and candor that suggests the Pandit Pran Nath's lesson as well as dialogues in concept with the mutability flux of seminal works such as Terry Riley's 'Persian Surgery Dervishes', Peter Michael Hamel's 'The Voice Of Silence' and 'Nada' or with research on the overtones of Roberto Laneri's Prima Materia.