On Saturday 13th August, London thrashers IMPERIUM played the New Blood stage at the mighty Bloodstock Open Air Festival. They had already gained a lot of fans with their impressive set and subsequent win at the London Metal to The Masses competition, and many of these fans had made the journey to see them in the sweltering packed tent at Bloodstock. What they didn’t realise however is that one rather special fan also took time out of their busy day to come see them…none other than Machine Head main man Robb Flynn. We caught up with IMPERIUM frontman Ben Porter to get the low-down on what happened: “So…. We’re up…