Rapper-actor LL Cool J will host "The Grammy Nominations Concert Live!! — Countdown to Music's Biggest Night." The one-hour special will air on CBS starting at 10 p.m. Eastern.
Thicke is a top Grammy contender. His "Blurred Lines" is the year's biggest smash. He has won Grammys for writing songs for Usher and Jennifer Hudson.
Macklemore & Ryan Lewis also have a strong chance for Grammy gold. Their breakthrough year includes three international hits and a platinum debut with "The Heist."
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