Bear McCreary uses distinct musical choices to differentiate the Mystics from the more "organic" sounds of Middle-earth:

: While the music for Valinor is described as "ethereal choral ostinato," the Mystics' theme is more discordant and unsettling. It often features strange vocalizations and minor-key shifts to signal their dark magic and lack of humanity.

The Mystics—specifically , The Nomad , and The Ascetic —are original creations for the series, portrayed as a cult of magic users from the eastern land of Rhûn . They are loyal servants of Sauron, journeying west because they believe "The Stranger" (the meteor man) is their master returned. Their visual design is intentionally "strange and weird," drawing inspiration from the three witches in Shakespeare’s Macbeth . Musical Composition and Themes