Hildur Gudnadóttir composed the original soundtrack for the mini-series Chernobyl. This Icelandic composer, cellist, and singer has created a number of film scores, including Joker, Sicario: Day of the Soldado (2018), Strong Island (2017), and Mary Magdalene (2018). In this recording, she uses a cello, a soft voice, and, through the manipulation of software, reshapes simple phrases into celestial heights.