Music: Sigur Rós
Strings: Hildur Ársælasdóttir/Sólrún Sumarliðadóttir/Edda Rún Ólafsdóttir/Maria Huld Markan Sigfusdottir
Audio Assistant: Elisabeth Carlsson
Mixing Engineer: Alex Somers
Audio Engineer: Birgir Jón Birgisson
Performance: Orri Páll DýRason/Georg Holm/Kjartan Sveinsson/Jón Þór Birgisson
Additional Production: Alex Somers
Mastering Engineer: Ted Jensen
Choir: Sigur Rós/The Sixteen/Birgir Jón Birgisson