If it's anything like what its title suggests, Macy Gray's second album, The Id, will be as unbridled as her hairstyles.

"It's way over the top, it's wild," she said Tuesday at a benefit for the Candie's Foundation in New York. "It's like real eccentric, it's dope. I love it."

Gray and Rick Rubin will serve as executive producers on the follow-up to 1999's On How Life Is, which is in the mixing and mastering stage and is scheduled for release September 25, according to an Epic Records spokesperson (see [article id="1441623"]"Macy Gray Plans The Id LP, 'Spider-Man' Role"[/article]). Though a specific tracklisting has yet to be determined, Erykah Badu sings back-up on one song likely to make the final cut, and Gray said the tentatively dubbed "Give Me Some Lovin' " is her favorite of the bunch. Other guests are expected, the spokesperson said.

The gravelly-voiced songstress explained that fans should notice a shift from the romance grumbling of her debut to something a bit more mature. "I grew up over the last couple of years ... and I'm sort of expressing now that I've grown up a little bit."