Video Example 3. Op. 19, nos. 1–6, Glenn Gould 1965 recording (CD CBS MPK 45558, 1989, ℗ 1972 CBS Records Inc.); tempo curves (Sonic Visualiser, logarithmic scaling)

no. 1: 00:00 | no. 2: 01:34 | no. 3: 02:44 | no. 4: 03:43 | no. 5: 04:12 | no. 6: 04:47