Four impromptus for piano, op. 90 (D. 899) ; Four impromptus for piano, op. 142 (D. 935)

Four impromptus for piano, op. 90 (D899): (1) No. 1 in C minor : allegro molto moderato (10:12) ; (2) No. 2 in E-flat major : allegro (4:38) ; (3) No. 3 in G-flat major : andante (6:03) ; (4) No. 4 in A-flat major : allegretto (7:28)

Four impromptus for piano, op. 142 (D935): (5) No. 1 in F minor : allegro moderato (9:41) ; (6) No. 2 in A-flat major : allegretto - trio (6:48) ; (7) No. 3 in B-flat major : thema & variationen I-V. Andante (10:55) ; (8) No. 4 in F minor : allegro scherzando (6:31)