 The British band Coldplay have made entertainment history by becoming the first act to headline the Glastonbury Music Festival five times. Sunday sees a host of performers, including the country singer Shania Twain. Here's our culture reporter, Norn Angie. They're no strangers to the Pyramid Stage, and last night Coldplay set a record as the first artist to headline Glastonbury five times. That don't impress me much