SANTA MONICA, Calif. (AP) – Jack White, Carrie Underwood and The Lumineers have been added as performers on the Grammys. Dierks  Bentley and Miranda Lambert will do a performance together. So will Elton John and Ed Sheeran. Previously announced performers include fun., The Black Keys, Mumford and Sons, Rihanna and Taylor Swift. The Grammys are February 10.