Our latest guest on Soundtracking is Garth Davis, who makes a welcome return to discuss his psychological sci-fi thriller, Foe. Based on the book by Iain Reid, it stars Saoirse Ronan and Paul Mescal as a couple whose life is turned upside down when a stranger arrives at their farm to tell them one of them will be sent to a space station, while the other will be left in the company of a robot. Unusually, Foe is scored by 3 composers, so find out right here what Garth had in mind with that decision ...