The 2009 Grammys: What You Didn't See On TV
The 2009 Grammys: What You Didn't See On TV

Paul McCartney, Radiohead, Justin Timberlake and the quadruple threat of Jay-Z, Lil Wayne, T.I. and Kanye West have been added to the performance lineup for the 51st annual Grammy Awards, to be held Feb. 8 at Los Angeles' Staples Center.

McCartney will be backed by Foo Fighters frontman Dave Grohl on drums, while Radiohead will be making its first live U.S. television performance in nearly nine years.

Meanwhile, Jay-Z, Wayne, T.I. and West will team to perform the hit single "Swagga Like Us," while T.I. and Timberlake will also perform together.

Previously announced Grammy performers include Kenny Chesney, Coldplay, Jennifer Hudson, Jonas Brothers, Katy Perry and Carrie Underwood.