Rock Legend, 81, Cancels Concert at the Last Minute Over Medical Problem

John Medina / Getty Images Rod Stewart has canceled a concert at the last minute due to a “minor medical procedure.” The rocker, 81, called off his appearance at the Riverbend Music Center in Cincinnati on Sunday. The performance was set to take place with singer Richard Marx, 62, as a part of Stewart’s “One Last Time” tour. “Due to an unforeseen but minor medical procedure that required prompt attention, Rod Stewart’s performance tonight in Cincinnati at Riverbend Music Center has been…