"Countdown To Music's Biggest Night" will air live on the CBS Television Network on Wednesday, Dec. 1 from 10–11 p.m. ET/PT, and set the stage for the 53rd Annual GRAMMY Awards.

The one-hour special will announce nominations in several categories as well as feature performances by past GRAMMY winners and/or nominees. The road to Music's Biggest Night begins with the special and will culminate with the 53rd Annual GRAMMY Awards at Staples Center in Los Angeles on Sunday, Feb. 13, 2011, airing live at 8 p.m. ET/PT on CBS."

http://www.grammy.com/news/the-grammy-countdown