CD 1: Sonata for solo cello, 1948-53 (Matt Haimovitz, violoncello) (8:42). 6 bagatelles for wind quintet, 1953 (Jacques Zoon, flute ; Douglas Boyd, oboe ; Richard Hosford, clarinet ; James Sommerville, horn ; Matthew Wilkie, bassoon) (11:47). String quartet no. 1, 1953-54 : Métamorphoses nocturnes (Hagen Quartett) (20:00). 10 pieces for wind quintet, 1968 (Wiener Bläsersolisten) (12:52). String quartet no. 2, 1968 (Lasalle Quartet) (20:57)
CD 2: Atmosphères : for large orchestra, 1961 (Wiener Philharmoniker, Claudio Abbado, conductor) (9:05). Volumina : for organ, 1961-61, rev. 1966 (Gerd Zacher, organ) (17:28). Lux aeterna : for 16-voice a cappella mixed chorus, 1966 (Chor des Norddeutschen Rundfunks, Helmut Franz, conductor) (7:59). Organ study no. 1 : Harmonies : 1967 (Gerd Zacher, organ) (9:04). Lontano : for large orchestra, 1967 (Wiener Philharmoniker, Claudio Abbado, conductor) (12:44). Ramifications : for string orchestra or 12 solo strings, 1968-69 (Ensemble Intercontemporain, Pierre Boulez, conductor) (8:28). Melodien for orchestra, 1971 (London Sinfonietta, David Atherton, conductor) (13:07)
CD 3: Aventures : for 3 singers and 7 instrumentalists, 1962, rev. 1963 (12:01) ; Nouvelles aventures : for 3 singers and 7 instrumentalists, 1962-65 (11:29) (Jane Manning, soprano ; Mary Thomas, mezzo-soprano ; William Pearson, bass ; Ensemble Intercontemporain, Pierre Boulez, conductor). Concerto for violoncello and orchestra, 1966 (Jean-Guihen Queyras, violoncello ; Ensemble Intercontemporain, Pierre Boulez, conductor) (15:09). Chamber concerto : for 13 instrumentalists, 1969-70 (Ensemble Intercontemporain, Pierre Boulez, conductor) (18:14). Mysteries of the macabre : 1988 / arr. Elgar Horvath (Håkan Hardenberger, trumpet ; Roland Pöntinen, piano) (6:52). Double concerto : for flute and oboe, 1972 (Jacques Zoon, flute ; Douglas Boyd, oboe ; Chamber Orchestra of Europe, Claudio Abbado, conductor) (15:59)
CD 4: The big turtle fanfare from the South China Sea : for trumpet, 1985 (Håkan Hardenberger, trumpet) (:37). 3 pieces for 2 pianos, 1976 (Alfons & Aloys Kontarsky, piano) (16:19). Etudes pour piano, livre I, 1985. Etude 2 (3:36) ; Etude 4 (3:24) (Gianluca Cascioli, piano). Concerto for piano and orchestra, 1985-1988 (Pierre-Laurent Aimard, piano ; Ensemble Intercontemporain, Pierre Boulez, conductor) (23:24). Concerto for violin and orchestra, 1989-1993 (Saschko Gawriloff, violin ; Ensemble Intercontemporain, Pierre Boulez, conductor) (28:25).
