This is the original studio video during which Gould recorded Bach's Goldberg Variations in 1981 which was released on CD. This video originally appeared on Google Video, but was taken down...
Glenn Gould 1932 - 1982 Beethoven Sonata.wmv
Glenn Gould - Off the Record
Glenn Gould An Art of the Fugue
Glenn Gould 1932 - 1982 Bach Toccatas BWV 910 - 916.wmv
Glenn Gould 1932 1982 Mozart Sonata
Glenn Gould plays Bach