Carcass at Psycho Las Vegas — PHOTOS By Jason Bracelin Las Vegas Review-Journal 5 years ago Bill Steer, of Carcass, performs at the Mandalay Bay Events Center during the Psycho Las Vegas music festival at Mandalay Bay in Las Vegas on Saturday, Aug. 17, 2019. (Chase Stevens/Las Vegas Review-Journal) @csstevensphoto Jeff Walker, of Carcass, performs at the Mandalay Bay Events Center during the Psycho Las Vegas music festival at Mandalay Bay in Las Vegas on Saturday, Aug. 17, 2019. (Chase Stevens/Las Vegas Review-Journal) @csstevensphoto Jeff Walker, of Carcass, performs at the Mandalay Bay Events Center during the Psycho Las Vegas music festival at Mandalay Bay in Las Vegas on Saturday, Aug. 17, 2019. (Chase Stevens/Las Vegas Review-Journal) @csstevensphoto Jeff Walker, of Carcass, performs at the Mandalay Bay Events Center during the Psycho Las Vegas music festival at Mandalay Bay in Las Vegas on Saturday, Aug. 17, 2019. (Chase Stevens/Las Vegas Review-Journal) @csstevensphoto Fans cheer as Carcass performs at the Mandalay Bay Events Center during the Psycho Las Vegas music festival at Mandalay Bay in Las Vegas on Saturday, Aug. 17, 2019. (Chase Stevens/Las Vegas Review-Journal) @csstevensphoto Bill Steer, of Carcass, performs at the Mandalay Bay Events Center during the Psycho Las Vegas music festival at Mandalay Bay in Las Vegas on Saturday, Aug. 17, 2019. (Chase Stevens/Las Vegas Review-Journal) @csstevensphoto Jeff Walker, of Carcass, performs at the Mandalay Bay Events Center during the Psycho Las Vegas music festival at Mandalay Bay in Las Vegas on Saturday, Aug. 17, 2019. (Chase Stevens/Las Vegas Review-Journal) @csstevensphoto Bill Steer, from left, Jeff Walker, and Tom Draper, of Carcass, perform at the Mandalay Bay Events Center during the Psycho Las Vegas music festival at Mandalay Bay in Las Vegas on Saturday, Aug. 17, 2019. (Chase Stevens/Las Vegas Review-Journal) @csstevensphoto Jeff Walker, of Carcass, performs at the Mandalay Bay Events Center during the Psycho Las Vegas music festival at Mandalay Bay in Las Vegas on Saturday, Aug. 17, 2019. (Chase Stevens/Las Vegas Review-Journal) @csstevensphoto Jeff Walker, of Carcass, performs at the Mandalay Bay Events Center during the Psycho Las Vegas music festival at Mandalay Bay in Las Vegas on Saturday, Aug. 17, 2019. (Chase Stevens/Las Vegas Review-Journal) @csstevensphoto The medical-text-book wielding Brits in Carcass helped pioneer the sound of modern melodic death metal. Their seminal “Heartwork” album, released in 1993, remains a pinnacle of the genre.