The score soundtrack for the Sci-Fi thriller Z for Zachariah is composed by Heather McIntosh, the cellist from the Elephant 6 Collective. The long lists of artists she has performed with include; Animal Collective, Cat Power, Superchunk, M Ward, Of Montreal, The Clientele, St. Vincent, Azure Ray, Bright Eyes, Washed Out, Dr. Dog, Gnarls Barkley and Lil Wayne. The film stars Margot Robbie, Chris Pine and Chiwetel Ejiofor.