Sting, Rihanna and Bruno Mars to sing at Grammys

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Music-Grammy Performers
  • Music-Grammywatch-Hunter Hayes
  • Music-Grammy Performers
  • Music-Grammywatch-Carly Rae Jepsen
  • Music-Grammy Performers
  • Music-Grammy Performers
  • Grammys-Justin Timberlake
  • Music-Grammywatch-Kelly Clarkson
Music-Grammy Performers
FILE - This Nov. 17, 2011 file photo shows musician Frank Ocean at the 16th annual GQ "Men of the Year" party in Los Angeles. The Recording Academy announced Thursday, Jan. 31, 2013 that R&B singer Frank Ocean will join Mumford & Sons, The Black Keys, Jack White and fun. _ acts competing for the night's top honor. Alicia Keys and Maroon 5 will also join forces for a special performance on Feb. 10. Presenters include Katy Perry, Keith Urban, Carly Rae Jepsen, Faith Hill and Tim McGraw, as well as actors Kaley Cuoco and Neil Patrick Harris. (AP Photo/Matt Sayles, file)