Photo: PHOTOS: 2013 Grammy Award nominees~ http://bit.ly/11KR1nk

Pictured: Adam Levine of Maroon 5 performed not one, not two but three songs at the Grammy Nominations Concert. Photo by: Getty Images
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PHOTOS: 2013 Grammy Award nominees~ http://bit.ly/11KR1nk

Pictured: Adam Levine of Maroon 5 performed not one, not two but three songs at the Grammy Nominations Concert. Photo by: Getty Images

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