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

MobyCyndi LauperMary J. BligeWyclef JeanSheryl CrowElvis CostelloNorah Jones
The musicians all played themselves singing in a charity benefit to find Jack's biological dad a new kidney. NBC
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