Photo: Jeremy Charles The Copperheads Turnpike Troubadours Photo: Anna Webber Photo: Nathan Poppe Photo: Michael Cooper Photo: Kelly Kerr K.C. Clifford Photo: Dakota Leuwallen Josh Sallee Johnny Polygon Photo: Doug Schwarz Mike Bone Photo: Beryl Ford Collection/Rotary Club of Tulsa, Tulsa City-County Library and Tulsa Historical Society And There Stand Empires Rikets Mont Lyons Red City Radio Zach Winters Colin Nance Rainbows Are Free