The 53rd annual Grammy Awards was held on February 13, 2011 at the Staples Center in Los Angeles and was broadcasted nation-wide on CBS.
We have a live theater show in New York called Stuffed and Unstrung, and we've taken a bunch of the characters from that cast and made them into a band and backup singers for Cee Lo. He'll be backed by puppets who will make up a very weird and cool band.
Henson said the idea to sing with the puppets came from Green, who approached the Henson Company with a concept of what he wanted to do. Henson said, "We had never worked with him before, and he's just a fabulous guy. I think he's a lifelong fan of the Muppets, and he had a pretty good idea of what he wanted. I think it will really be an unforgettable version of the song." 
- Patrick Bristow, Julianne Buescher, Alice Dinnean, Artie Esposito, Brian Henson, Sean Johnson, Drew Massey, Ted Michaels, Michael Oosterom, Michelan Sisti, Colleen Smith, Allan Trautman, Russ Walko, and Victor Yerrid.