The UK’s biggest rock and metal festival kicks off on Friday 14th June this year and will see over 90,000 people converge on Castle Donington for three days of non-stop riffs. This year’s festival is headlined by three legends of the genre: Def Leppard on the Friday playing their legendary Hysteria album in full, Slipknot on the Saturday, and prog legends Tool closing the festival on the Sunday night of what is sure to be a fiery weekend. Much speculation has accompanied the