The Salt Lake Tribune) Mary J. Blige, at the Eccles Theatre for the premiere of “Mudbound” at the 2017 Sundance Film Festival in Park City, Saturday, January 21, 2017. The Salt Lake Tribune) Mary J. Blige, at the Eccles Theatre for the premiere of “Mudbound” at the 2017 Sundance Film Festival in Park City, Saturday, January 21, 2017.