From drug overdoses and a raging gunman to a mammoth backlash over headlining acts and backstage civil wars, Glastonbury Festival has had an at times colourful and chaotic history. The first Glastonbury ever to take place was back in 1970, just a day after Jimi Hendrix died.

Back then, it was called The Pilton Pop, Folk and Blues Festival, carrying a minuscule admission fee of just £1, while camping – and milk – were both completely free. A far cry from today’s ticket prices, which have had…