Rumours are flying all over the place for this year’s Glastonbury festival. No sooner did Guns N’ Roses’ Duff McKagan seemingly self-confirm for this year’s Worthy Farm weekender did Red Hot Chili Peppers bassist Flea set tongues wagging with a cryptic tweet. Retweeting an illustration of Glasto’s famed Pyramid Stage by artist Stanley Donwood, Flea said simply ‘Yes’, which – judging by the r...