Article Photos: Springsteen, Gaga join Stones; Newtown noted 1/6

FILE - In this Saturday, Dec. 8, 2012 file photo, Keith Richards, left, and Charlie Watts of The Rolling Stones perform in concert in New York. On their show Saturday, Dec. 15, at the Prudential Center in Newark, N.J., The Rolling Stones will be joined by Bruce Springsteen, Lady Gaga and the Black Keys. (Photo by Charles Sykes/Invision/AP, File)