Written by: Jónsi, Georg Hólm, Kjartan Sveinsson

Produced by: Paul Corley, Sigur Rós

Performed by: Gillon Cameron (violin), Ellie Consta (violin), Alison D'Souza (viola), Eiríkur Orri Ólafsson (trumpet), Ingi Elrendsson (tuba), Marianne Haynes (violin), Helgi Hrafn Jónsson (trombone), Freya Hicks (viola), Patrick Johnson (cello), Matthew Kettle (viola), Kjartan Sveinsson (synthesizer), Cara Laskaris (violin), María Huld Markan Sigfúsdóttir (violin), Laura Moody (cello), Ólafur Björn Ólafsson (percussion), Gwen Reed (double bass), Max Ruisi (cello), Snorri Sigurðarson (trumpet), Eloisa‐Fleur Thom (violin), Jennifer Wilkinson (viola), Jónsi, Iona Allan (violin), Matthew Bain (violin), Galya Bisengalieva (violin), Anna de Bruin (violin), Eulalie Charland (violin), Hazel Correa (violin), Nicola Davenport (double bass), Ingi Elrendsson (trombone), Reinoud Ford (cello), Claire Hazelton (violin), James Heron (viola), Robert Ames, Julian Azkoul (violin), Jordan Bergmans (viola), Nathaniel Boyd (cello), Lowri Thomas (viola), London Contemporary Orchestra, Georg Hólm (bass guitar), Jónsi (synthesizer), Kjartan Sveinsson (piano), David Lale (cello), Siret Lust (double bass), Sophie Mather (violin), Preetha Narayanan (violin), Anna Ovsyanikova (violin), Eloise Riddell (double bass), Simmy Singh (violin), Willemijn Steenbakkers (violin)

Mixed by: Sigur Rós, Paul Corley