CMT announced that its Artists of the Year celebration on Oct. 16 at Nashville’s Schermerhorn Symphony Center will feature performances by Carrie Underwood, Dan + Shay, Kane Brown, Thomas Rhett, Ashley McBryde, Sam Hunt, Lady Antebellum and more. Award presenters will include Vince Gill, Maddie & Tae, Bobby Bones, Johnny Galecki, Lauren Akins and Lonnie…