The upcoming shows will mark the Irish folk band's biggest UK shows to date
The four-day festival will take place on the island in September
The live show is the second of two weekend gigs in the coastal city
They paid tribute to the late frontman on Jools Holland’s Hootenanny
The annual knees up goes out on New Year's Eve
The extra show will wrap up the Irish folk band's UK tour next year
The festival will return to Suffolk's Henham Park from July 25-28
Garbage, The Last Dinner Party, Courteeners and more have also been announced as performers
The new dates mark the band's biggest UK shows as of yet