According to a posting on KoRn's official messageboard, Chester will be featuring on one of the two new tracks to appear on Korn's Greatest Hits CD.

"the greatest hits: volume 1 collection will feature NINETEEN singles and TWO brand new tracks which are covers of pink floyd's "another brick in the wall (part i)" and public enemy's "fight the power" (featuring lil' jon producing and chester bennington of linkin park guesting, which i may add is the FIRST MOTHERFÚCKIN' SINGLE BABY.) it's due out 08.30.04 and will have limited editions in a special package with a booklet with quotes from their fans."

Please note, we cannot guaruntee the credibility or complete authenticity of this news. We will keep you updated as we hear more.
Thanks to lphybrid18 of the LPU for the news