Photo: Michael Cooper Broncho Photo: Bill Ellison Turnpike Troubadours Photo: Nathan Poppe Photo: Nathan Poppe Camille Harp Johnny Polygon Photo: Dylan Johnson Photo: Doug Schwarz Them Apples Grooms Photo: Beryl Ford Collection/Rotary Club of Tulsa, Tulsa City-County Library and Tulsa Historical Society JD McPherson Photo: Doug Schwarz OK Sweetheart The Wurly Birds Photo: Caitlin Lindsey The Black Tie Event Steeples Photo: Ross Adams