Jeff Matz of High on Fire performs at the Mandalay Bay Events Center during the Psycho Las Vega …

Jeff Matz of High on Fire performs at the Mandalay Bay Events Center during the Psycho Las Vega ...

Jeff Matz of High on Fire performs at the Mandalay Bay Events Center during the Psycho Las Vegas music festival at Mandalay Bay in Las Vegas on Friday, Aug. 16, 2019. (Chase Stevens/Las Vegas Review-Journal) @csstevensphoto