En direct, Vidéo: Rechercher des critiques de musique classique, opéra et ballet | Die Kunst der Fuge (L'Art de la fugue), BWV1080, Contrapunctus VII

The more you read about music, the more you notice the word “authenticity” cropping up annoyingly frequently. The great raging musical arguments of the late 20th century still burn; performers, listeners, even composers find themselves having to take up quasi-moralistic stances on gut strings, vibrato, and whether trills should begin on the upper or lower note.