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**The list is taken from the AP article on Yahoo News, "First Bieber, then Dylan at Grammy rehearsals," which is linked below. The Cee-Lo image is from http://www.wireimage.com**...   >>>

**The list is taken from the AP article on Yahoo News, "First Bieber, then Dylan at Grammy rehearsals," which is linked below. The Cee-Lo image is from http://www.wireimage.com**



Newcomers and seasoned musicians took turns Saturday on the Staples Center stage during Grammy rehearsals.

Pop star Justin Bieber and his mentor, Usher, kicked off with a medley that began with the 16-year-old best new artist nominee on his acoustic guitar, then launching into an amped-up version of his new song, "Never Say Never." Usher, a five-time Grammy winner up for two more awards Sunday, followed with his dance track "OMG."

Both singers were backed by pyrotechnic effects and a stage full of dancers. Bieber's number also featured fire-breathers, twirling gymnasts and an appearance by tiny 12-year-old rapper Jaden Smith.

There were no special effects during Mumford & Sons' performance of their hit, "The Cave." The seven-piece folk band, also nominated for best new artist, played acoustically on a bare stage, followed by fellow folksters the Avett Brothers, who sang their song, "Head Full of Doubt/Road Full of Promise."

String players from the two bands — guitarists, bassists, a cellist and two banjo players — joined with other guitarists to back folk icon Bob Dylan, a 10-time Grammy winner who is making a rare appearance on the music industry awards show.

The 69-year-old rocker, who wore jeans, a hooded sweatshirt and a knit cap to rehearsals, let out a guttural voice far larger than his diminutive frame as he sang his 1965 blues track, "Maggie's Farm," backed by a chorus of strings.

Other performers set to take the stage during Sunday's ceremony include Dr. Dre, Rihanna, Eminem, Katy Perry, Barbra Streisand, Mick Jagger and Lady Gaga.