Electric Picnic returns to Stradbally this September 2-4 and the long awaited line-up for the festival has finally been announced with performances from Dermot Kennedy, Tame Impala and Arctic Monkeys as well as Fontaines D.C. Girl In Red, Just Mustard, Denise Chaila, For Those I Love and more. Full line-up below. Tickets on sale tomorrow at 9am.