If you happened to be at the right stage at the right time you could witness things like The Reverend Peyton playing slide on a three-string cigar box guitar, or, catch a rip-roaring musical sermon from soulful Nashville singer Mike Farris.
Yet, here are the Rolling Stones, telling us "School is in session, and here is how it's done." Not with malice. Not with a sense of being smug, or full of themselves. No: It is done with a sense of knowing.