Chris Martin and Michael Eavis have recalled how filling in for The Strokes led to Coldplay headlining Glastonbury in 2002.Coldplay had already performed at the festival on the “new bands stage” and the Other Stage before topping the bill at Worthy Farm.Speaking to Jo Whiley on BBC Radio 2, festival organiser and founder Michael Eavis recalled needing a headliner for the annual Pilton Party event, which is put on to thank the local villagers for their co-operation with the festival.