The Recording Academy announced Wednesday that U2 and Elton John will sing one of John's classics with Miley Cyrus at the Grammys 60th show at Madison Square Garden on January 28. Sam Smith and Kendrick Lamar, who is up for seven Grammys, were also added to the lineup. Previous announced performers include Bruno Mars, Cardi B, Pink, SZA, and Lady Gaga. Two days after the Grammys, Smith, Cyrus and others will pay tribute to John at "Elton John: I'm Still Standing — A GRAMMY Salute."