tracks 1, 3, 6 cello Roland Hartwell tracks 1, 3, 6 cello Sigurdur Bjarki Gunnarsson design, artwork Ben Brown tracks 1 to 5, 7 to 9, 11 engineer [pro tools mix] Jeff Knowler mastered by Ted Jensen tracks 1 to 9, 11 mixed by Ken Thomas tracks 1 to 3, 5 to 7, 9 mixed by [additional] Aidan Love tracks 1 to 3, 5 to 11 producer [additional production] Ken Thomas tracks 1 to 3, 5 to 11 producer, recorded by Valgeir Sigurðsson producer, recorded by, written-by James Chapman tracks 1 to 3, 7, 9 programmed by [additional] Aidan Love tracks 3, 5, 9 programmed by [additional] Jolyon Thomas tracks 1, 3, 5, 8, 9 recorded by [additional] Jolyon Thomas tracks 1, 3, 6 trombone Samúel Jón Samúelsson tracks 1, 3, 6 trumpet, flugelhorn Kjartan Hákonarson tracks 1, 3, 6 viola Þórunn Ósk Marinósdóttir tracks 1, 3, 6 violin Olga Björk Olafsdottir Phonographic Copyright (p) Mute Corporation Copyright (c) Mute Corporation Designed At Citizen Design So Low, So High contains elements from Theme from a Teenage Opera. To the Sky contains elements from Willy O'Winsbury.