Recording facilities by Classic Sound Limited (Tuning up, Poème électronique, Un grand sommeil noir, Dance for Burgess). Recording locations: Concertgebouw, Grote Zaal, Amsterdam, April 1992 (Arcana), April 1996 (Offrandes, Intégrales), December 1996 (Amériques, Nocturnal), May 1997 (Ecuatorial), May 1998 (Dance for Burgess, Tuning Up, Un grand sommeil noir (orchestral version)); Concertgebouw, Kleine Zaal, Amsterdam, May 1998 (Un grand sommeil noir (original version)); Musikcentrum Vredenberg, Utrecht, May 1997 (Hyperprism, Ionisation, Déserts, Octandre); Henry Wood Hall, London June 1997 (Density 21.5).
Booklet front: Varèse in 1955 photography, copyright Diane Bouchard. Diane Bouchard dedicates the reproduction of the photograph on the booklet front to Louise Varèse, Chou Wen-chung and Yi-an Chou. Booklet back: Varèse's logo, 1947, courtesy of Professor Chou Wen-chung.