The Welsh festival, which takes place this July at Shipping Hill Farm, will also feature Esa, Donna Leake and a back-to-back set from recent RA Live pair Jamie Tiller and Orpheu The Wizard, among others.
Steffi, Octo Octa, Avalon Emerson and Peach are also among the artists booked to play the UK promoter's winter and spring programme across Bath and London.
The May bank holiday event will expand to four days next year, with Dan Shake, Jade Seatle & Truly Madly and Body Hammer (AKA Joe Hart & Scott Fraser) also locked in.
Derrick Carter and Mr. Scruff are among the highlights of the UK promoter's programme through 2018, with opening parties hitting Birmingham and Leeds this weekend.
Joy O goes back-to-back with Pangea, plus Upsammy, Barker, Mor Elian, Saoirse and more this autumn at Mick's Garage in London and Komedia Bath and Moles in Bath.