The already stacked performance lineup just got better because the Country Music Association announced on Tuesday, May 14, that even more stars have added to the four-day festival. The 51st year of CMA Fest is already gearing up to be the biggest and best year yet. This newest announcement of added acts comes just two months after the Country Music Association revealed the initial CMA Fest lineup. More information can be found by downloading the official CMA Fest app. Fan Fair X single day ($10, Friday through Sunday only) and four-day ($25) tickets can also be purchased now.