They join the likes of SOAK, Mercury Rev, Arca, Hot Chip, John Grant, Perfume Genius, Ariel Pink, Beach House, Battles, Hinds and Father John Misty, and hundreds more.

Iceland Airwaves 2015 takes place 4-8 November in a varity of venues across Reykjavik. For more information, including ticket details and travel info, head to the festival's website.

The full line up additions are: 

Agzilla, Amit, Arnljótur, Art is Dead, Auður, Ave (FO), Bárujárn, Beneath, Bianca Casasy and The C.I.A. (US), Bistro Boy, Blaue Blume (DK), Brilliantinus, BRNS (BE), Börn, Cell7, Chastity Belt (US), Cheddy Carter, Chili and the Whalekillers (AT/IS), Dad Rocks! (DK), DALÍ, Daveeth, DJ Elvar, Dream Wife, The Drink (UK), Döpur, EAST OF MY YOUTH, Jóhann Eíríksson, Epic Rain, Exos, FM Belfast, Formation (UK), French for Rabbits (NZ), FURA, GANGLY, Geislar, ghostigital, Good Moon Deer, Kut Grapje, Great Mountain Fire (BE), Grúska Babúska, Stafrænn Hákon, H.dór, Halleluwah, HAM, Elín Helena, Hide Your Kids, HIMBRIM, Hjaltalín, Mike Hunt, Hymnalaya, Jack Magnet Quintet, Gunnar Jónsson Collider, JoyCut (IT), Just Another Snake Cult, Justman, Kiasmos, Klassart, Magnús Leifur, Mikael Lind, LoneLady (UK), Lord Pusswhip, Lucy in Blue, Holly Macve (UK), Mafama, Mankan, Manu Delago Handmade (AT), Andri Már, Meat Wave (US), Jafet Melge, Milkywhale, MIRI, Mógil, Momentum + Malneirophrenia, Flo Morrissey (UK), Mosi Musik, My Bubba, Nao (UK), Nordic Affect, Oculus, Odinn, Ohm, Oyama, Par-Ðar, Plasmic, Porches. (US), Serengeti by President Bongo, Ojba Rasta, Red Barnett, Royal, Ruxpin, Rúnar Thórisson, Samúel Jón Samúelsson Big Band, Anna B Savage (UK), Jónas Sen, Severed, Shades of Reykjavik, Andy Shauf (CA), Mr. Silla, Sin Fang, Mr.Signout, Sindri Eldon & the Ways, Sinmara, Sisí Ey, Skelkur í bringu, Skurken, SMURJÓN, Snooze Infinity, Stereo Hypnosis, Sykur, Telekinetic Walrus (US), Thor, TRPTYCH, Tuff Love (UK), Vaginaboys, Helgi Valur, VAR, Arni Vector, Verveine (CH), The Vintage Caravan, Waage, Wesen, When 'airy met fairy (LU), Yagya, Yamaho, Þórir Georg, Þórunn Antonía og Bjarni, and Æla.

Check out the melty-faced announcement vid below.