Glenn Gould 1964 Goldberg Variations Aria & Some Canons

Footage of Glenn Gould playing the thematic aria and some canons from the Goldberg Variations:

Aria
Variation 3 (Canon at the Unison)
Variation 6 (Canon at the 2nd)
Variation 9 (Canon at the 3rd)
Variation 12 (Canon at the 4th)
Variation 15 (Canon at the 5th)
Variation 27 (Canon at the 9th)