Revered trip-hop band Portishead will be one of the headlining acts at the inaugural edition of the Best Kept Secret, which will be held in Hilvarenbeek in the Netherlands. Other acts at this festival include Sigur Ros, Arctic Monkeys, No Age, and more. The festival will be held June 21st-23rd and will feature more than 50 artists across three stages. More information and ticket ordering info can be found here. A trailer for the festival can be seen below.