Named one of USA Today's top 10 music festivals in the country two years in a row, Bristol Rhythm & Roots Reunion has added more acts to its already-stellar lineup which includes 49 Winchester, Ashley McBryde, The Wallflowers, The Red Clay Strays, Molly Tuttle & Golden Highway, Sam Bush, Wilderado, The SteelDrivers, and Brittney Spencer. Produced by the nonprofit Birthplace of Country Music and presented by Ballad Health, the 23rd annual event is slated for Sept.