Biber and backstage secrets from opera stars

Katie Derham presents a host of musical highlights from the last week on In Tune. Featuring a stunning performance of Biber's Passacaglia in G minor from violinist Daniel Pioro, and French baroque pieces from Les Arts Florissants. Plus a frank conversation with Met Opera stars Roberto Alagna and Aleksandra Kurzak about the reality of performing together onstage as a married couple.