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: Glastonbury organizer denies claims that event will not be returning in 2021 Glastonbury sets sights on June 2021 return
