They will play at around 5 pm at the festival – at the RJAHS Showground on 2 September – because they have to leave the Island that night to head for a festival in Istanbul.
They join The Zutons and Snow Patrol in the line-up, which is the festival’s strongest yet.
Editors are currently on tour in the US but will return to play major UK and European festivals this summer having gone down a storm – literally – during a rain-lashed performance at Glastonbury last year.
Warren Holt of Jersey Live organisers Positiv has been trying to sign them for the last two months and says it is the most exciting news yet.