Def Leppard Hysteria 30th Anniversary Super Deluxe Edition Get It At Discogs Where Pyromania had set the standard for polished, catchy pop-metal, Hysteria only upped the ante. Pyromania's slick, layered Mutt Lange production turned into a painstaking obsession with dense sonic detail on Hysteria, with the result that some critics dismissed the record as a stiff, mechanized pop sellout (perhaps due…