Compact discs. Recorded May 1974 (2nd & 3rd works), Jan.-Feb.1975 and Feb.-Mar. 1977 at Berlin, Philharmonie. Berliner Philharmoniker ; Christa Ludwig, mezzo-soprano (in the 2nd and 3rd works) ; Herbert von Karajan, conductor. Sung in German, with program notes in English and German with French and Italian translations, and text in German with English, French and Italian translations (25 p. : ill. ; 13 cm.) inserted in container.