Mumiy Troll
Derakh performed backing for Bennington when he performed the song "Let Down" during 2005's "" televised concert. He also made an appearance in the 2003 version of the film "Freaky Friday" and has worked with many other bands, including Coal Chamber, Spineshank, Danzig, the eels, Mumiy Troll, Estados Alterados, Ghostfeeder and Red Tape.