Left to right, back row: U2 members Adam Clayton, Larry Mullen Jr., The Edge and Bono. Front row: Amy Grant, Gladys Knight, George Clooney and Tania León. Gail Schulman/CBS hide caption
Gladys Knight
(From left) Amy Grant, Gladys Knight, George Clooney and Tania León are four of the performing artists honored for a lifetime of achievement by the Kennedy Center this year. The Kennedy Center hide caption
Gladys Knight will "give the anthem back its voice," she said in a statement explaining her decision to sing the national anthem at Super Bowl LIII in spite of boycotts by other black artists. Kevin Winter/Getty Images hide caption
Against Me! performs at the Bonnaroo Music & Arts Festival Manchester, Tenn., in 2015. Jason Merritt/Getty Images hide caption