Icelandic artists already confirmed:
Agent Fresco, Bang Gang, Bloodgroup, Cliff Clavin, Dikta, DLX ATX, Ensími, Feldberg, HAM, Hjálmar, Hjaltalín, Lára, Lights on the Highway, Mammút, Mínus, Mugison, Oculus, Of Monsters & Men, Ourlives, Pascal Pinon, Retro Stefson, Reykjavík!, Seabear, Sometime, Sudden Weather Change, Sykur, Útidúr & Who Knew.
Non-Icelandic artists conformed:
JJ (SE), Think About Life (CA), Basia Bulat (CA), Junip (SE), Slagsmålsklubben (SE), Oh No Ono (DK), Joy Formidable (UK), Efterklang (DK) & The Amplifetes (SE).