God of War (2018 video game) and languages from various Northern European folk traditions." He also wanted the score to be huge and varied, "full of peaks and valleys, tiny incantations and gigantic set pieces." The main Kratos theme in particular features low orchestral instruments, Icelandic choir, deep male vocals, powerful female vocals (in particular Faroese singer Eivør Pálsdóttir), folk percussion, and Nordic stringed instruments, such as the nyckelharpa and hurdy gurdy. The track "Witch of the Woods" uses a renaissance and baroque instrument called a viola da gamba, which is an ancestor of the modern cello. The Stranger's theme, found in the track "Deliverance", uses
Hurdy-gurdy a common bridge, and a relatively small wheel. Due to its size, the organistrum was played by two people, one of whom turned the crank while the other pulled the keys upward. Pulling keys upward is cumbersome, so only slow tunes could be played on the organistrum. The pitches on the organistrum were set according to Pythagorean temperament and the instrument was primarily used in monastic and church settings to accompany choral music. Abbot Odo of Cluny (died 942) is supposed to have written a short description of the construction of the organistrum entitled "Quomodo organistrum construatur" (How the Organistrum