Netflix Music has released a soundtrack album for the Netflix original documentary Unknown: Cave of Bones. The album features the film’s original music composed by Francesco Le Metre (Disclosure, Split Screen). The soundtrack is now available to stream/download on Amazon and any other major digital music services. Unknown: Cave of Bones is directed by Mark Mannucci and follows paleoanthropologist Lee Berger who has found the world’s oldest graveyard in South Africa’s Cradle of Humankind and tries to prove that this ancient, ape-like, small brained creature practiced complex burial rituals.