Glenn Gould in the Sixties

Piano Sonata no. 17 in D minor, op. 31 no. 2: I. Largo — Allegro

Piano Sonata no. 17 in D minor, op. 31 no. 2: II. Adagio

Piano Sonata no. 17 in D minor, op. 31 no. 2: III. Allegretto

Piano Sonata no. 31 in A-flat major, op. 110: III. Adagio ma non troppo

Piano Sonata no. 31 in A-flat major, op. 110: IV. Fuga: Allegro ma non tropp

6 Variations, op. 34: Theme and Variations

15 Variations on an original Theme, op. 35 "Eroica Variations": Theme and Variations