Corey Taylor, frontman for Stone Sour and Slipknot, joined the glam metal tribute band Steel Panther onstage at the Key Club in West Hollywood, California on Monday night for a rendition of the Poison classic, "Nothin' But A Good Time". Steel Panther, formerly known as Metal Skool, ex-Fight guitarist Russ "Satchel" Phillips and former L.A. Guns vocalist Ralph Saenz a.k.a. "Michael Starr". The band's debut album, "Feel The Steel", will be released on June 9 via Universal/Republic. Catch a clip of the performance below.