Music Vault Releases Treasure Trove of Archived Concert Footage to YouTube

92,000 tapes -- most "decrepit," "in some cases falling apart," Sagan tells Billboard -- have been laboriously transferred, mixed, and mastered until they're of internet-worthy quality; or at least, better than the Grateful Dead bootleg live recordings scattered throughout YouTube.
Curated playlists here
YouTube Channel here

The quality is extremely high considering what has previously made it to YouTube. The breadth of artists is also astonishing. You could lose hours in here no matter what your taste in music is.

If you're in Europe I strongly recommend the use of software that gets around regional blocks.