Green Day brought the first day of the Reading Festival to a vibrant close that cemented the view both veterans were trading on tried and tested values. Highlights from their trio of recent albums, notably the anthemic ’99 Revolutions’, contrasted well with crowd-pleasing rabble-rousers, among them ‘Know Your Enemy’. At the heart of the set was a run-through their breakthrough album Dookie, 20 years young next year. The punk-pop threesome sped through it so quickly that less memorable material was soon forgotten as they hurried to the evergreen ‘Basket Case’ and the romantic ‘She’.