Compact disc. 1st two works analog recordings ; 3rd-5th works digital recordings. Consists of previously released material, c1975. Program notes in English, French, and German by Philip Ramey, Knut Franke, and Marcel Marnat in booklet inserted in container. 1st-2nd works recorded at CBS Studios, London, 1974 ; 3rd-5th works recorded at the Vanguard Studio, New York City, 1982. Murray Perahia, piano ; Academy of St. Martin-in-the Fields ; Neville Marriner, conductor.