Gladys Knight Responds to Super Bowl National Anthem Backlash News that Gladys Knight will be singing the National anthem at this year’s Super Bowl resulted in backlash from Colin Kaepernick supporters. The singer shared her stance on the tension between br the NFL and Kaepernick in regards to the anthem. Gladys Knight, br to ‘Variety’ Gladys Knight, br to ‘Variety’ Knight continued by saying br she plans to “give the br anthem back its voice.” Gladys Knight, to ‘Variety’ Gladys Knight, to ‘Variety’ Knight concluded by br saying she hopes the br anthem can bring unity. Maroon 5, Travis Scott and Big Boi will also br perform at this year’s Super Bowl.