Premise: A Song to Remember is a 1945 Columbia Pictures Technicolor biographical film which tells a fictionalised life story of Polish pianist and composer Frédéric Chopin. Directed by Charles Vidor, the film starred Cornel Wilde (as Chopin), Merle Oberon (as George Sand), Paul Muni (as Józef Elsner), Stephen Bekassy (as Franz Liszt), and Nina Foch.
Hypothesis: Chopin doesn't know who Charles Vidor is.