Arden has an original score composed by Christopher Hatfield, a composer, songwriter and sound designer based in Los Angeles, California. A talented multi-instrumentalist, he incorporates a diverse array of techniques and approaches to writing and performing. His score is both haunting and funny, and is instrumental to creating the tone of Arden.

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The song that plays in episode 12 is "Baby to Bed" from Love Axe's album South Dakota, which you can listen to/buy here.