Heavy metal war machine, Mutoid Man recently wrapped up a string of dates in Japan and closed out the run in the most bad ass way possible; a guest appearance by Marty Friedman.
The legendary shredder joined the band for the title song off their most recent album, War Moans, and a cover of Prince's "Purple Rain".
Check out the fan filmed footage below but don't get too close to the screen or Marty might melt your face off.