Derek and the Dominos - Johnny Cash
Recorded at the Ryman Auditorium, Nashville, Tennessee on November 5, 1970 - 2nd generation (see note) - 8 minutes

Note: "It's Too Late" and "Matchbox" sourced from Vh1 "Rarities" broadcast - middle part with Johhny's conversation with Eric and introduction of Carl Perkins is spliced in from a high-generation copy from some unknown source.