Dave Matthews Band and Zac Brown Band also added to roster for January 31 show. By Gil Kaufman Lady Gaga performs at the 2009 American Music Awards Photo: Kevin Mazur/ WireImage The 52nd annual Grammy Awards added some heavy artillery to the roster of performers taking the stage on January 31: nominees Green Day, Lady Gaga and Pink.
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Lady Gaga, Green Day, Pink To Perform At Grammy Awards
