Simon and Brian speak with one-woman hit factory Diane Warren, whose career-making songs have produced timeless collaborations with the likes of Celine Dion, Aerosmith, Cher, LeAnn Rimes and Toni Braxton. In this episode, Diane talks about her work ethic, her approach to 'method songwriting', and writing her latest Oscar contender 'I'll Fight', as performed by Jennifer Hudson for the Ruth Bader Ginsburg documentary, RBG.