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. BligeNorah JonesCyndi LauperWyclef JeanElvis CostelloSteve EarleClay Aiken
The musicians all played themselves singing in a charity benefit to find Jack's biological dad a new kidney. NBC
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