Pop group Fun. will perform their breakthrough 2012 hit We Are Young backed by an orchestra at Wednesday night's (05Dec12) Grammy Nominations Concert Live in Nashville, Tennessee.
R&B star Janelle Monae will join the trio onstage for the collaboration.
Also performing at the Grammy Awards launch will be Ne-Yo and country stars Dierks Bentley and Luke Bryan, and The Who, the recipients of the Recording Academy Lifetime Achievement Award.
The event will be telecast live across America and then Maroon 5, who will also perform at the ceremony, will play an hour-long set for guests and audience members.
LL Cool J and Taylor Swift will co-host the event from the Bridgestone Arena.