Precious! Rare footage of Glenn Gould practicing Bach in his early years. Yes, he was in his own world, but what a world this was. You can spot his humming even at the early age. This was something that always bothered some of his fans, similar to Keith Jarret accompanied sounds. Well, its part of the package and something, that never really bothered me. I guess after a while, you simply just process it out of the focus…