Bearded Theory Festival is…SOLD OUT! Music News by Editor - May 11, 20180 Bearded Theory’s Spring Gathering, Derbyshire’s award-winning, family-friendly festival, is delighted to announce that all tickets have now sold outfor this year’s event, which features incredible headliners Robert Plant, Blossoms, Jimmy Cliff and Sleaford Mods, alongside a bill of more than 150 other live acts across 4-days! There are no admission tickets