Compact disc. Durations: 11:32 ; 8:25 ; 54:08. Previously released in 1962 (Gluck, Humperdinck) and 1965 (Bruckner). Recorded Sep. 27, 29, 1960 (Gluck, Humperdinck) ; Sep. 6, 10-12, 16-19, 1964 (Bruckner), Kingsway Hall, London. Philharmonia Orchestra (Gluck, Humperdinck) ; New Philharmonia Orchestra (Bruckner) ; Otto Klemperer, conductor. Program notes by Richard Osborne in English with German and French translations (11 p. : ill. : 13 cm.) inserted in container.