Arranged By [Choir Arrangement] – Pétur Ben (tracks: B7)
Arranged By [Instruments Performed By B.O.X Co-Arranged By] – Anthony Romaniuk (tracks: A1, A2, A4 to B7, B9), Jon Birdsong (tracks: A1, A2, A4 to B7, B9), Jutta Troch (tracks: A1, A2, A4 to B7, B9), Lambert Colson (tracks: A1, A2, A4 to B7, B9), Liam Byrne (2) (tracks: A1, A2, A4 to B7, B9), Pieter Theuns (tracks: A1, A2, A4 to B7, B9)
Artwork [Album] – Hvass&Hannibal, SEEN CGI
Band [Efterklang Is] – Casper Clausen, Mads Brauer*, Rasmus Stolberg
Bass Drum [Kick Drum] – Kasper Winding (tracks: A4)
Choir – Kliður (tracks: A2, B7, B9)
Co-producer – Kasper Winding (tracks: A1, A2, A4 to B7, B9)
Cornet, Cornett [Cornetto] – Jon Birdsong (tracks: A1, A2, A5, B7, B9)
Cornett [Cornetto] – Lambert Colson (tracks: A1, A2, A5, B7, B9)
Design Concept, Design, Art Direction – Hvass&Hannibal
Drum Machine – David Chalmin (tracks: A4)
Drums – Joel Wästberg (tracks: A3), Siv Øyunn Kjenstad (tracks: A2, B6)
Electric Organ [Hammond] – Anthony Romaniuk (tracks: B6, B7)
Electric Piano [Bass Rhodes] – Joel Wästberg (tracks: B9)
Electric Piano [CP80] – Kjartan Sveinsson (tracks: A2, A3)
Electric Piano [Rhodes] – Anthony Romaniuk (tracks: A4)
Gong – Joel Wästberg (tracks: B7)
Guitar – Bert Cools (tracks: A1, A3, A4, B6, B7), Pétur Ben (tracks: A3)
Harp – Jutta Troch (tracks: A2, A4 to B6, B9)
Harpsichord – Anthony Romaniuk (tracks: A4)
Illustration [Imagery And Rendering] – SEEN CGI
Illustration [Technical Drawings] – Frederikke Becher Hermansen
Kanklės – Indrė Jurgelevičiūtė (tracks: A1, B6, B7)
Lacquer Cut By – FMW (2)
Mastered By – Francesco Donadello
Mixed By – David Chalmin
Omnichord – Kjartan Sveinsson (tracks: A1)
Organ – David Chalmin (tracks: A5)
Organ [Pipeorgan] – Anthony Romaniuk (tracks: A1, A2, A4, B9)
Percussion – Victor Dybbroe (tracks: A4 to B7)
Performer – Efterklang
Piano – Kjartan Sveinsson (tracks: A1 to A3)
Producer – Efterklang
Recorded By – Birgir Jón Birgisson, Mads Brauer*, Martin Høgild, Peter Barnow, Pierre Dozin, Thomas Vang
Spinet – Joel Wästberg (tracks: B7)
Synth – Christian Balvig (tracks: B7)
Theorbo – Pieter Theuns (tracks: A2, A4, 61, B7, B9)
Translated By [English Translations Of Lyrics] – Ida Holmegaard
Trumpet [Solo] – Gunnar Halle (tracks: B7)
Viol [Viola Da Gamba] – Liam Byrne (2) (tracks: A1, A2, A4 to B7, B9)
Vocals – Indrė Jurgelevičiūtė (tracks: A3, B8, B9), Lil Lacy (tracks: A5, B7)
Written-By – Efterklang, Rune Mølgaard (tracks: A3)