Musical group fun. perform at the 55th annual Grammy Awards on Sunday, 

Musical group fun. perform at the 55th annual Grammy Awards on Sunday, Feb. 10, 2013, in Los Angeles. (Photo by John Shearer/Invision/AP)
Associated Press
Musical group fun. perform at the 55th annual Grammy Awards on Sunday, Feb. 10, 2013, in Los Angeles. (Photo by John Shearer/Invision/AP)
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