Show to include tsunami fundraiser.

Jennifer Lopez and Marc Anthony will give their debut performance together during the 47th annual Grammy Awards. The Feb. 13 show will air live on CBS from Los Angeles.

The couple joins previously announced performers Green Day, Alicia Keys, Tim McGraw and U2, plus a segment featuring Kanye West, John Legend, Mavis Staples and the Blind Boys Of Alabama; a tribute to Ray Charles by Bonnie Raitt and Billy Preston; and a salute to Southern Rock with Tim McGraw, Gretchen Wilson, Lynyrd Skynyrd, Dickie Betts and Elvin Bishop.

Additionally, stars that include Bono, Stevie Wonder, Norah Jones, Keys, Velvet Revolver, McGraw and Brian Wilson will perform Lennon/McCartney's "Across the Universe" in a benefit for tsunami victims. Viewers will be able to purchase a download of the performance from iTunes for 99 cents.