“I’ve been coming to Cain’s and singing since—I don’t know, it was a long time ago—1955? It kinda hurts that they don’t have my picture up here,” Wanda Jackson noted with a smile when she took the stage in Cain’s main ballroom Friday night. “It looks like they replaced the dance floor, though. We used to get everyone boogieing back in the day, and that really tore it up.”