Patti Smith, Kittie, Smash Mouth, Train also performing December 31.
Posting on her Web site blames 'complicated and not very exciting' reasons.
R&B singer/songwriter schedules nine live dates.
Mariah Carey, Lenny Kravitz, P. Diddy sport eye-catching duds during ceremony airing Tuesday night.
Stevie Wonder, Stevie Nicks, Tom Petty also appear on latest in series.
Two-hour show will be broadcast October 23.
Ex-Beatle had planned on putting together his own charity show.
Second album is all about acting on one's impulses.
Brandy, Macy Gray, Enrique Iglesias also employing rapper's R&B songwriting skills.
Inaugural Shortlist Prize for Artistic Achievement to be awarded by small group of artists, producers, journalists.
India.Arie, Amel Larrieux, Damian Marley also on Red Star Sounds Volume I: Soul Searchin', due October 11.
Recruits Alicia Keys, Macy Gray, Jill Scott for shows this month to determine viability of tour.
She'll also turn up soon in the Denzel Washington flick "Training Day."
Singer plays out her 'very own sexual revolution' on album, due September 18.
Jill Scott, Keith Murray, Montell Jordan also appear on album.
Angie Stone, Roots' ?uestlove also working with Gray on her follow-up to On How Life Is.
Jill Scott, Macy Gray, Sunshine Anderson, Zap Mama also on Marimba Festival bill.
Singer heading out on own tour, beginning July 17 in Chicago.
Gray, Rick Rubin to serve as executive producers; Erykah Badu to sing back-up on one cut.
Pop A-listers to perform at launch of awareness-raising Candie's Foundation.
Gangsta Boo, Krayzie Bone, Macy Gray, Shaggy, KRS-One express support as trial winds down.
Soul diva's second album due in summer; she shoots performance scene this week for next year's 'Spider-Man.'