In 2011, Symphony of the Mountains introduced the Mountain Empire to the rich voice of tenor Carl Tanner. Since then, this truck driver turned super star has amassed quite a following of musical admirers throughout the region and they'll soon get a chance to see him perform live once again. Symphony of the Mountains presents “The Return of Carl Tanner with Symphony of the Mountains” at 7:30 p.m., Saturday, April 29, at the Toy F.