Stefflon Don (pictured above) and Aldous Harding lead the next wave of announcements for the event, which runs in Reykjavík and Akureyri from the 1-5 November.
The full list of today's international additions also includes Jo Goes Hunting, Káryyn, Ama Lou, Mahalia ГШ/and Glintshake.
From Iceland comes NeBetween Mountains, Gunnar Jónsson Collider, Halldór Eldjárn, Exos, Gróa, Kontinuum, Korter í Flog, Kælan Mikla, Ljósvaki, Milkywhale, Omotrack, Phlegm, Pink Street Boys, Sycamore Tree and Guðrún Ýr.
Early bird tickets are on sale for the festival priced £123.50/17,900 ISK with a range of international packages available.
