As I just discovered, Sony has allowed the DVD Glenn Gould Plays Bach: The Goldberg Variations to go out of print. This film of a 1981 studio performance is a rare chance to see Gould at work -- a picture of absolute dedication and genius. Watching several years ago made me vow to learn to read the bass clef (I did) so as to be able to play simple Bach pieces (I can, at least a few).
Amazon has three copies of the DVD for sale, starting at $138.59.
Sony, give us our Gould back.
3 strikes against Sony