Guests: --Curtis Mayfield - ""Mighty Mighty (Spade And Whitey),"" ""We The People Who Are Darker Than Blue,"" ""We're A Winner"" and ""Move On Up"" --Billy Preston - ""Them Changes"" and ""The Bus"" --Poco - ""C'mon"" --Canned Heat - ""Refried Boogie"" --Brother Jack - unknown --Epitaph - ""Early Morning"" --Mountain - unknown --Heads Hand & Feet - ""Country Boy"" From this show? --Chuck Berry - ""Let It Rock,"" ""Johnny B. Goode"" and ""Wee Wee Hours"" (and possibly ""Roll Over Beethoven"") 45 minutes / Aired 4:00pm - 4:45pm