B.o.B. and Bruno Mars perform at the “Grammy Nominations Concert Live!” telecast from Club Nokia in downtown L.A. on Wednesday night. (Robert Gauthier / Los Angeles Times)
Selena Gomez and Dave Grohl announce the song of the year. (Robert Gauthier / Los Angeles Times)
Miranda Lambert, whose song “The House That Built Me” is nominated for song of the year, performs at the “Grammy Nomination Concert Live!” broadcast. (Robert Gauthier / Los Angeles Times)
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Host LL Cool J and Grammy President Neil Portnow of the National Academy of Recording Arts and Sciences buddy up. (Robert Gauthier / Los Angeles Times)
Katy Perry, who was nominated for best female pop vocal performance, wows the cameras on a Tuesday night in preparation for the Grammy nominations show. (Michael Robinson Chavez / Los Angeles Times)
Train was one of two performers who played Tuesday night in front of television cameras in preparation for the Grammy nominations show. (Michael Robinson Chavez / Los Angeles Times)
