Rabbit Trap (1970)

In 1973, married musicians Daphne and Darcy Davenport, who have relocated from London to an isolated cabin in Wales in order to complete their new record. When they accidentally make a field recording of a mystical sound never before heard by human ears, a strange child enters their lives who gradually un-tethers them from reality, and the couple soon find themselves caught between the ancient spirits of the natural world and the lives they once knew.