In a documentary called Attrazione D’amore, the cinematographer Frank Scheffer provides footage from a lunch concert at Amsterdam’s Royal Concertgebouw. When the orchestra starts to play Mozart’s Piano Concerto No. 20 in D minor, it becomes apparent that the renowned pianist Maria João Pires had made a mistake. As the director of the concert, Riccardo Chailly, recounts in the film: “She was shocked because she was expecting us to play another concerto. So when I started the first bar of the D...