Ashley McBryde; Little Big Town; Brandi Carlile; Emmylou Harris and Allison Russell; and The Gaithers will perform during Naomi Judd: A River Of Time Celebration, airing live from Nashville's Ryman Auditorium Sunday (5/15) at 5pm CT on CMT. Good Morning America's Robin Roberts will host the commercial-free tribute with Carly Pearce and Cody Alan providing commentary throughout. Wynonna and Ashley Judd and Martina McBride will appear and messages from friends and fans – including Bono, Morgan Freeman, Oprah Winfrey and Salma Hayek – will be shared. A limited number of tickets are available here.