Caribou, Lianne La Havas, Susanne Sundfør, and loads more have joined Sigur Rós at London's Citadel festival.
Caribou, like Sigur Rós, are London exclusives. Calexico, Matt Corby, Cat's Eyes (The Horrors Fais Badwan and soprano Rachel Zeffira), Tinariwen, Nathaniel Rateliff & The Night Sweats, and loads more have also been added to the bill.
As well as music, Citadel promises an eclectic array of food, drink, theatre, sports, arts, talks/debates, fun, games, family activities, and much more.
Citadel 2016 takes place at London's Victoria Park on Sunday 17 July.
For more information and ticket details, head to the Citadel website.