From Poirot on the River Nile to Verdi's take on the infamous Scottish play. Thea Lenarduzzi and Lucy Dallas talk to writer Laura Thompson about the work of Agatha Christie and how she managed to move with the times, and Professor Larry Wolff joins us from Florence to discuss the tentative return of live opera in Italy with Verdi's Macbeth at the Parma Verdi Festival.
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