Jay-Z and Linkin Park To Be at Grammy Awards

This year's Grammy Awards ceremony continues grow, with more and more performers confirmed every day.  Jay-Z and Linkin Park are the latest artists to announce that they will be on stage, performing the song Numb/Encore together, which has been nominated for the Best Rap Collaboration award. The 48th annual Grammy Awards will take place on Wednesday, and promises several other unusual double acts, including a team effort between Madonna and the Gorillaz.