Credits

Sigur Rós: Producer
Amiina: Strings
Maria Huld Markan Sigfúsdóttir: Strings
Ken Thomas: Engineer, Mixing, Co-Producer
Jón Þór Birgisson: Guitar, Vocals
Ted Jensen: Mastering
Frank Aarnink: Timpani
Birgir Jon Birgisson: Engineer
Edda Rún Ólafsdóttir: Strings
Kjartan Sveinsson: Keyboards
Orri Páll Dýrason: Drums
Georg Hólm: Bass
Ólöf Júlía Kjartansdóttir: Violin
Sólrún Sumarliðadóttir: Strings
Eiríkur Orri Ólafsson: Trumpet
Júlía Mogensen: Cello
Kristín Lárusdóttir: Cello
Helgi Hrafn Jónsson: Trombone
Samúel Jón Samúelsson: Trombone
Snorri Sigurðarson: Trumpet
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