Bruce Springsteen, Lady Gaga and the Black Keys will join the Rolling Stones on Saturday for the final concert marking the band's 50th anniversary. The concert will be held at the Prudential Center in Newark, N.J., and will be telecast live on pay-per-view. The Stones will also perform Wednesday at the 121212 Concert at Madison Square Garden in New York City to raise money for victims of Superstorm Sandy.