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Dave Grohl, left, and Selena Gomez announce the nominees for the Song of the Year category at the Grammy Nominations Concert on Wednesday, Dec. 1, 2010, in Los Angeles.
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Katy Perry speaks with host L.L. Cool J, right, after being nominated at the Grammy Nominations Concert on Wednesday, Dec. 1, 2010, in Los Angeles.
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B.o.B., left, and Bruno Mars perform "Nothing On You" at the Grammy Nominations Concert on Wednesday, Dec. 1, 2010, in Los Angeles.
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Hayley Williams, of Paramore, announces the nominees for the Best New Artist category at the Grammy Nominations Concert on Wednesday, Dec. 1, 2010, in Los Angeles.
AP Photo/Matt Sayles
Stevie Wonder announces the nominees for the Album of the Year category at the Grammy Nominations Concert on Wednesday, Dec. 1, 2010, in Los Angeles.
AP Photo/Matt Sayles
Craig Ferguson announces the nominees for the Record of the Year category at the Grammy Nominations Concert on Wednesday, Dec. 1, 2010, in Los Angeles.
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Host LL Cool J, left, and The Recording Academy President Neil Portnow speak onstage during Grammy Nominations Concert on Wednesday, Dec. 1, 2010, in Los Angeles.
AP Photo/Matt Sayles
Miranda Lambert speaks with host L.L. Cool J, right, after being nominated at the Grammy Nominations Concert on Wednesday, Dec. 1, 2010, in Los Angeles.
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