A good collection of "musique concrete" pieces by The GRM (Groupe de Recherches Musicales, Group for Musical Research) : J. Schwarz "And Around," Bernard Parmegiani "La Roue Ferris," Pierre Schaeffer-Pierre Henry "Erotica --symphonie pour un homme seul," Michel Chion "La Ronde." Jacques Lejeune "L'invitation au depart," Ivo Malec "Reflets," Jean Schwarz "Suite N," Christian Zanesi "D'un jardin a l'autre," Denis Dufour "Bocalises," Philippe Mion "Puzzlasept," Francois Bayle "Erosphere." ~ "Blue" Gene Tyranny, All Music Guide