Program notes by Denis Matthews inserted in container.
Concerto no. 20 recorded June 17-18, 1948; Concerto no. 21 recorded Jan. 12, 1937; Sonata no. 12 recorded June 5, 1946.
Piano concerto no. 20 in D minor, K. 466 (Philharmonia Orchestra ; Walter Susskind, conductor) -- Piano concerto no. 21 in C major, K. 467 (London Symphony Orchestra ; Malcolm Sargent, conductor) -- Sonata no. 12 in F major, K. 332