Rihanna and Taylor Swift are among the first performers confirmed for the 2013 Grammy Awards.
Fun. and The Black Keys will also hit the stage at the biggest night in American music, which takes place on 10 February.
All of the performers are nominated at the 55th annual music industry awards, with Mumford & Sons, The Black Keys and Fun. leading the pack with six nods apiece, along with Jay-Z, Kanye West and Frank Ocean.
Fun. are nominated in categories including Album of the Year for their debut, Some Nights, Record of the Year and Song of the Year for the Janelle Monae-featuring hit We Are Young, and Best New Artist.