That Metallica, Black Sabbath, Slipknot, Def Hagar Show

Members from some of the most celebrated heavy metal acts are booked to be part of the roundtable chats this season: Lars Ulrich (Metallica), Corey Taylor (Slipknot, Stone Sour), Tony Iommi (Black Sabbath), Mike Portnoy (ex-Dream Theater, Adrenaline Mob), Doug Pinnick (King's X), Sammy Hagar (Van Halen, Chickenfoot) and Phil Collen (Def Leppard), to name some.