The Glastonbury Festival on Thursday revealed the full line-up for the world\'s largest greenfield music and performing arts jamboree, which U2, Coldplay and Beyonce will headline.Glastonbury attracts 170,000 party-goers to a dairy farm in Somerset, southwest England.The main Pyramid Stage will be headlined by U2, Morrissey, Biffy Clyro and B. B. King on June 24; Coldplay, Elbow, Paulo Nutini and Tinie Tempah on June 25; and Beyonce, Pendulum, Plan B and Paul Simon on June 26.On the secondary Other Stage, Primal Scream and Mumford and Sons headline on June 24; The Chemical Brothers and White Lies on June 25; and Queens of the Stone Age and Kaiser Chiefs on June 26.Irish rockers U2 were unable to headline last year after frontman Bono was rushed to hospital for emergency back surgery.Glastonbury organiser Michael Eavis said: \"After the disappointment of U2 being unable to play last year, we\'re now doubly excited at the prospect of the Friday night supergroup breaking the sound barrier.\"