Compact disc. Consists of material previously released in 1966 and 1982. Recorded in the Sofiensaal, Vienna, June 1981 (1st work) and Nov. 1965 (2nd work). Wiener Philharmoniker ; Sir Georg Solti, conductor. Program notes by Ivan March in English with French, German translations (13 p. : ports. ; 13 cm.) inserted in container.