U.S. economy shows strong rebound with 4% growth in GDP for the second quarter

Clay Aiken, Elvis Costello, Mary J. Blige, Sheryl Crow, Mike D, Ad Rock, Steve Earle, Adam Levine, Sara Bareilles, Wyclef Jean, Norah Jones, Talib Kweli, Michael McDonald, Rhett Miller, Moby, Robert Randolph, Rachael Yamagata, Cyndi Lauper

Mary J. BligeMobyWyclef JeanNorah JonesElvis CostelloSheryl CrowClay Aiken
The musicians all played themselves singing in a charity benefit to find Jack's biological dad a new kidney. NBC