Having hit a turmoil of hard drugs as the 1970s arrived, Eric Clapton was coaxed out of his destructive exile by Pete Townsend for a memorable event.

Eric Clapton's 90-minute stripped-down performance ... "Sunshine of Your Love" "Key to the Highway" "I'm Your Hoochie Coochie Man" "Badge" "Nobody Knows When You're Down and Out" "Running on ...