Written by: Jónsi, Orri Páll Dýrason, Kjartan Sveinsson, Georg Hólm

Produced by: Alex Somers (additional), Sigur Rós

Performed by: Sólrún Sumarliðadóttir (strings), Hildur Ársælsdóttir (strings), María Huld Markan Sigfúsdóttir (strings), Edda Rún Ólafsdóttir (strings)

Mixed by: Alex Somers