LOS ANGELES, Jan. 14 (UPI) -- Kenny Chesney, Coldplay, Jonas Brothers, Lil Wayne and Katy Perry have signed on to perform at the 51st annual Grammy Awards show in Los Angeles.

NEW YORK, Jan. 3 (UPI) -- Album sales in the United States dropped by 14 percent in 2008 with "Tha Carter III" by rapper Lil' Wayne taking top sales honors for the year, data shows.

LOS ANGELES, Dec. 31 (UPI) -- Lil Wayne's "Tha Carter III" was the best-selling album of 2008 in the United States, selling 2.88 million copies, Billboard.com reported Wednesday.

LOS ANGELES, Sept. 3 (UPI) -- Slipknot's "All Hope Is Gone" is No. 1 on the U.S. album chart, Billboard.com reported Wednesday.

LOS ANGELES, July 23 (UPI) -- Nas's new untitled CD is No. 1 on the U.S. album chart this week, Billboard.com reported Wednesday.

LOS ANGELES, July 2 (UPI) -- Coldplay's "Viva La Vida or Death and All His Friends" is No. 1 on the U.S. album chart for a second consecutive week, Billboard.com reported Wednesday.

LOS ANGELES, June 25 (UPI) -- Coldplay's "Viva La Vida or Death and All His Friends" is No. 1 on the U.S. album chart, Billboard.com said Wednesday.

LOS ANGELES, June 18 (UPI) -- Lil Wayne's "Tha Carter III" is No. 1 on the U.S. album chart this week, Billboard.com said Wednesday.

LOS ANGELES, June 6 (UPI) -- U.S. rapper Lil Wayne is selling downloads of "Tha Carter III" directly to fans via his Web site, social network pages and blog using the Musicane widget.