Originally released in 1960 (1st work) and 1970 (other works); compilation previously released in 1992. Compact disc. Recorded in 1960, No. 1 Studio, Abbey Road, London (1st work) and in 1968, Salle Wagram, Paris (2nd-7th works). Maurizio Pollini, piano ; Philharmonia Orchestra ; Paul Kletzki, conductor (1st work). Program notes in English with French and German translations in booklet inserted in container.