Those are just two of the items music fans can bid on at the 4th Annual Grammy Charity Holiday Auction, going on now through December 6 at online auction house eBay and benefiting MusicCares and the Grammy Foundation. The Grammy Online Charity Auction is presented in partnership with online auction company Kompolt.

Other items up for grabs include autographed memorabilia from Brooks & Dunn, Duran Duran, Earth, Wind & Fire, Foo Fighters, Genesis, Josh Groban, Incubus, Quincy Jones, B.B. King, Lil’ Kim, Linkin Park, Mick Mars, Dave Navarro, Nickelback, Ozzy Osbourne, Les Paul, Joe Perry, Tom Petty, Bonnie Raitt, Nikki Sixx, Slash, Patti Smith, Joss Stone, Steven Tyler and more.

Some of the more unique items include the 50th Grammy Awards VIP Experience package for two, which includes rehearsal passes to the Grammys and tickets for the MusicCares Person Of The Year Tribute to Aretha Franklin as well as seats for the awards show, 50th Grammy Awards Mosh Pit passes for two and a “Seat Filler experience” for two as well.

But make sure you bring plenty of cash to the auction. As of this morning, bidding on a one-hour guitar lesson from Steve Vai had reached $1,000 and the opportunity to be a character in the Electronic Arts video game “The Sims” had reached $1,500.

Founded in 1989 by the Recording Academy, MusicCares helps music people when they need it most by providing a safety net of critical assistance. The Grammy Foundation, also established in 1989, promotes the influence of recorded music on American culture.