Misc. notes from the booklet:
Content of CD 2 was never released on CD (Sonata no. 2 from June 1955, Waltzes from July 1958)
L'Isle Joyeuse and La plus que lente (CD 19, tracks 6/11, 1961 recording): previous releases (1971, 1995) were using "copies from the original tapes with a modified sound", whereas this release uses the original tapes.
CD 27: the Liszt concerto and tracks 5-6 (Mendelssohn Romances sans paroles) were never released on CD before
CD 31: tracks 2-5 and 9-26 never released on CD before
CD 32, 33: never released on CD before
CD 35, 36 (Chopin, Prokofiev, Liszt): never released before
