Compact discs (ADD). Recorded between 1962-1979 in London, Cologne, Vienna, and Dresden. Philharmonia Orchestra (1st work) ; WDR Sinfonieorchester Köln/Kölner Rundfunk-Sinfonie-Orchester (2nd work) ; Wiener Philharmoniker (3rd work) ; Staatskappelle Dresden (4th work) ; Karl Böhm, conductor. Program notes by David Patmore in English with German and French translations (22 p. : port. ; 13 cm.) inserted in container.