Watch a video interview with Witnness 03 headliners, Coldplay

Chris Martin and co arrive at Witnness tooled up with the two most essential qualities required of a festival headliner: a set full of anthemic tunes and a couple of years' worth of experience spent taming the slavering beast that is the US stadium circuit. Expect the festival's lighter fuel supplies to be stretched to breaking point during the group's rendidition of 'Yellow'. Archive interview, 2000: We talk to guitarist Guy Berryman