Wyclef Jean, Bruce Springsteen, Jennifer Hudson, Mary J. Blige, Shakira, and Sting Will Appear in New York City; Alicia Keys, Christina Aguilera, Dave Matthews, John Legend, Justin Timberlake, Stevie Wonder, Taylor Swift, and a Group Performance by Keith Urban, Kid Rock, and Sheryl Crow in Los Angeles; Coldplay, and a Group Performance by Bono, The [...]