A video clip of Slipknot/Stone Sour singer Corey Taylor joining Korn on the main stage of Day 2 of the U.K.'s Download Festival on June 10 for a rendition of the song "Clown" has been posted online at YouTube.com.
Korn frontman Jonathan Davis was unable to play the show after being taken ill, and KORN ended up using a variety of guests during the concert, including singers from SLIPKNOT, AVENGED SEVENFOLD, DEVILDRIVER, SKINDRED and TRIVIUM.
A video clip of Slipknot/Stone Sour singer Corey Taylor joining Korn on the main stage of Day 2 of the U.K.'s Download Festival on June 10 for a rendition of the song "Clown" has been posted online at 
