It's a welcome return to Soundtracking for Luca Guadagnino, who joined Edith from Los Angeles to discuss his latest movie, Challengers. The story - in very broad terms - follows a professional tennis champion who plots a comeback with the help of his wife - a former prodigy who retired after an injury - as he goes up against another player who also happens to be his former best friend and wife's former lover. Challengers is scored by our old friends Trent Reznor and Atticus Ross, and we'll begin with their title cue ...