Glastonbury's iconic Pyramid stageWith just weeks to go until this year’s Glastonbury gets underway, music fans have been doing some detective work to try and decipher a mysterious act that has suddenly popped up on the line-up.On Tuesday morning, the full list of stage times for the upcoming festival was unveiled – including the presence of an intriguing act that no one seems to have heard of.At 6pm on the Saturday of the festival, the Pyramid Stage will be host to an hour-long set from an act called “Patchwork”, who hadn’t previously been announced on the line-up.This put many fans in mind of two years ago, when an unknown band called “The Churnups” were added to the schedule, later revealing themselves as the Foo