Title from container. Analog recording (1st-2nd works; remainder digital recording). Compact discs. Issued also as cassettes (416 643-4) and analog discs (416 643-1). Accompanying booklet varies. Recorded in London, Sept. 1979, June 1982, Mar. 1984 and July 1985. Library's copy comes with booklet (42 p.) containing notes in English, German and French. Alfred Brendel, piano. Program notes by Monika Möllering in English, French, German, and Italian (64 p.) inserted in container.