Compact disc. Libretto by the composer. "Digital recording" Program notes and synopsis in German, English, French and Italian, and German libretto with English and French translations (132 p. : ill.) laid in container. Publisher's no. on container: 413 347-2 GH4. Issused also in cassette: 3382 002. Issused also on sound disc: 2741 002. Dunja Vejzovic, soprano ; Peter Hofmann, tenor ; José van Dam, Siegmund Nimsgern, baritones ; Kurt Moll, Victor von Halem, basses ; supporting soloists ; Chor der Deutschen Oper Berlin ; Berliner Philharmoniker ; Herbert von Karajan, conductor.