Jimmy Fallon has been presenting some serious music on his late night show, including Bruce Springsteen, Paul McCartney and, this week, Pink Floyd with performances by Roger Waters with the Foo Fighters and Pearl Jam among others. In a true test of his studio sound system, "Late Night with Jimmy FallonJudas Priest scheduled for the Friday October 7th show — just five days before the Priest launch their North American "farewell" "Epitaph" tour in San Antonio.