I know posting old Dylan tracks isn't very characteristic of this blogatorium, but that's a damn shame. I guess the point is that there's already far too many Bob Dylan connoisseurs out there, lord knows. Still, this particular track deserves to see much more daylight. It comes from a bootleg set called "The Minnesota Tapes," a practice session recorded in 1961. The low-fi hum you hear is, regrettably, the bassist learning to play along. Nonetheless, it's one of my favorites of all time, a Woody Guthrie cover.
(If you can find it, try to get the whole 3-disc set. It's pretty astounding, especially for a rehearsal. He even tells some jokes about New Jersey)