The Special Edition Version of the 30 ROCK O.S.T. comes with a bonus CD which includes original music performed by Tina Fey, Jane Krakowski, Tracy Morgan, and Ghostface Killa. Also included is the star-studded "He Needs a Kidney" performed by Clay Aiken, Elvis Costello, Mary J Blige, Sheryl Crown, Mike D, Steve Earle, Adam Levine, Adam Horovitz, Sara Bareilles, Wyclef Jean, Norah Jones, Talib Kweli, Michael McDonald, Rhett Miller, Moby, Cyndi Lauper and more! Also included is a 50 page book with eye-popping exclusive photos of the cast, set, props, scripts, liner notes and more.