The new track follows on from Norwegian pop sensation's last single, 'Exist For Love' and 'Into The Unknown' from 'Frozen 2.'
Taking place over the weekend of June 18-20, the festival had already announced the likes of Tim Burgess, Arlo Parks, Georgia and Squid.
The string arrangement on the track is by Isobel Waller-Bridge, best known for her score for the comedy drama hit series 'Fleabag.'
The duo also produced a stunning visual extravaganza, with animations, plenty of strobes and search lights all featuring.
Sonically, the Norwegian star wanted this album to be more “explosive and noisy” than her previous releases,