Credits

Sigur Rós: Producer
Amiina: Strings, String Arrangement
Maria Huld Markan Sigfúsdóttir: Violin
Ken Thomas: Producer
Jón Þór Birgisson: Guitar, Vocals
Ted Jensen: Mastering
Mandy Parnell: Mastering
D.C. : Artwork
Marco Migliari: Assistant Engineer
Frank Aarnink: Timpani
Edda Rún Ólafsdóttir: Violin
Kjartan Sveinsson: Keyboards
Orri Páll Dýrason: Drums
Georg Hólm: Bass
Ágúst Ævar Gunnarsson: Drums
Alex Torrance: Artwork
Ólöf Júlía Kjartansdóttir: Viola
Sólrún Sumarliðadóttir: Cello, Strings
Eiríkur Orri Ólafsson: Trumpet
Júlía Mogensen: Cello
Kristín Lárusdóttir: Cello
Helgi Hrafn Jónsson: Trombone
Samúel Jón Samúelsson: Trombone
Snorri Sigurðarson: Trombone
Össur Geirsson: Tuba
Eyjólfur Bjarni Alfreðsson: Viola
Gréta Salóme Stefánsdóttir: Violin
Ingrid Karlsdóttir: Violin
Matthías Stefánsson: Violin
Stefanía Ólafsdóttir: Violin, Viola
Álafosskórinn: Choir
Helgi R. Einarsson: Choral Director