Dierks Bentley, Brooks & Dunn, Montgomery Gentry, Brad Paisley and John Rich have been added to the performance lineup at the CMA Music Festival taking place June 11-14 in downtown Nashville. Bentley, Brooks & Dunn, Paisley and Rich (as part of Big & Rich) last played the festival in 2007. Montgomery Gentry played it last year. Previously-announced to appear at this year's event are Trace Adkins, Julianne Hough, Lady Antebellum, Miranda Lambert, Martina McBride, and Reba McEntire. Additional artists will be announced in the coming weeks.