Live4MusiC

Slash doesn't just help L.A.'s homeless youth with a nickel or dime, the ex-GNR axeman recruits Blink-182's Travis Barker, Wolfmother's Andrew Stockdale, Dave Navarro and Chris Chaney from Jane's Addiction for an all-star benefit concert -- and debuts a ass-kicking new song in the process.

Sunday night at Hollywood's Avalon, the rockers gathered for Slash & Friends, a gig benefiting theLos Angeles Youth Network, and ripped through the new Slash song "By the Sword," a Black Sabbath-meets-'90s-alt-rock rocker with Stockdale on lead vocals.

While Slash and Co. rocked out onstage, even more music stars watched on, including Ozzy, Linkin Park's Chester Bennington, and Billy Idol, who all made appearances onstage throughout the night, as well.

"By the Sword" is the third song to leak from Slash's solo debut, also called Slash & Friends, which is expected in early 2010. And one look at the album's roster, and it's evident just how many friends the afro-sporting guitarist has: Dave Grohl, Ozzy Osbourne, Fergie, Meatloaf, Flea, Cypress Hill, Alice Cooper, Ronnie Wood, Pussycat Doll Nicole Scherzinger, Kid Rock, Maroon 5's Adam Levine, Avenged Sevenfold singer M. Shadows, and every original member from Guns N' Roses -- except (surprise!) Mr. Rose -- also contribute to the album.

- SPIN