Glastonbury to celebrate 50 years with commemorative festival book featuring contributions from Jay-Z, Chris Martin, and more Glastonbury festival will celebrate 50 years of modern musical influence via the release of commemorative festival book, 'Glastonbury: 50.' Related Posts: Paul McCartney announced as Glastonbury 2020’s first headlining act Death threats for booking Kanye and other fun stories from Glastonbury organizer Emily Eavis
