The rock heavyweights play an LA benefit show for a cancer research centre...

System Of A Down will join the Red Hot Chili Peppers to play a benefit gig this weekend.

The bands will play to raise money for the The Warshaw Center for

Prostrate Cancer Research, and the

Silverlake Conservatory of Music at the Palladium in Los Angeles on November 15.

Tickets for the charity event go on sale at 10am on November 13, and are available at Ticketmaster outlets and at, priced $55 for floor seats,

and $85 for balcony seats, Billboard reports.

As previously reported on NME.COM, System Of A Down have been writing and rehearsing new material in Los Angeles for the follow up to 2001’s five-times platinum ‘Toxicity’. The band hope to start recording in early 2004, and release the album by the end of the year.

The Red Hot Chili Peppers will release their greatest hits compilation on November 17. The album, which contains 14 tracks, also contains two new songs, ‘ Fortune Faded’ and ‘History’. The band will also release their ’Live At Slane’ DVD to coincide with the album’s release. The DVD features footage of the band playing to over 80,000 people in Ireland at Slane Castle in the summer.