Glastonbury is now the best-known, longest-running and most pre-eminent music festival in the world. Fuelled by a staggering range of music, this groundbreaking documentary embraces the spirit, characters and overwhelming experiences of the festival as it refl ects the extraordinary world changes of the last three decades. Featuring music and attitude from Paul McCartney, Coldplay, Chemical Brothers, Primal Scream, Van Morrison, Oasis, Blur, The Cure and Scissor Sisters - to name a few - this fi lm has unique access to a treasury of images from the BBC archive, portraying the historic changes in the last 30 years, generating an alternative history of our time and raising questions about what the future has in store.