US tenor Sean Panikkar (L, Le Lépreux) and Canadian bass-baritone Philippe Sly (Saint Francois) perform during a dress rehearsal for the opera 'Saint Francois d'Assise' by French composer Olivier Messiaen (1908-1992) on July 29, 2026, as part of the Salzburg Festival 2026 at the Felsenreitschule. The opera will premiere on August 4, 2026. (Photo by BARBARA GINDL / APA / AFP via Getty Images) / Austria OUT

Canadian bass-baritone Philippe Sly (Saint Francois) performs during a dress rehearsal for the opera 'Saint Francois d'Assise' by French composer Olivier Messiaen (1908-1992) on July 29, 2026, as part of the Salzburg Festival 2026 at the Felsenreitschule. The opera will premiere on August 4, 2026. (Photo by BARBARA GINDL / APA / AFP via Getty Images) / Austria OUT

Canadian bass-baritone Philippe Sly (Saint Francois) performs during a dress rehearsal for the opera 'Saint Francois d'Assise' by French composer Olivier Messiaen (1908-1992) on July 29, 2026, as part of the Salzburg Festival 2026 at the Felsenreitschule. The opera will premiere on August 4, 2026. (Photo by BARBARA GINDL / APA / AFP via Getty Images) / Austria OUT

Canadian bass-baritone Philippe Sly (R, Saint Francois) performs during a dress rehearsal for the opera 'Saint Francois d'Assise' by French composer Olivier Messiaen (1908-1992) on July 29, 2026, as part of the Salzburg Festival 2026 at the Felsenreitschule. The opera will premiere on August 4, 2026. (Photo by BARBARA GINDL / APA / AFP via Getty Images) / Austria OUT

Canadian bass-baritone Philippe Sly (Saint Francois) performs during a dress rehearsal for the opera 'Saint Francois d'Assise' by French composer Olivier Messiaen (1908-1992) on July 29, 2026, as part of the Salzburg Festival 2026 at the Felsenreitschule. The opera will premiere on August 4, 2026. (Photo by BARBARA GINDL / APA / AFP via Getty Images) / Austria OUT

Canadian bass-baritone Philippe Sly (Saint Francois) performs during a dress rehearsal for the opera 'Saint Francois d'Assise' by French composer Olivier Messiaen (1908-1992) on July 29, 2026, as part of the Salzburg Festival 2026 at the Felsenreitschule. The opera will premiere on August 4, 2026. (Photo by BARBARA GINDL / APA / AFP via Getty Images) / Austria OUT

Canadian bass-baritone Philippe Sly (Saint Francois) performs during a dress rehearsal for the opera 'Saint Francois d'Assise' by French composer Olivier Messiaen (1908-1992) on July 29, 2026, as part of the Salzburg Festival 2026 at the Felsenreitschule. The opera will premiere on August 4, 2026. (Photo by BARBARA GINDL / APA / AFP via Getty Images) / Austria OUT

Canadian bass-baritone Philippe Sly (Saint Francois) performs during a dress rehearsal for the opera 'Saint Francois d'Assise' by French composer Olivier Messiaen (1908-1992) on July 29, 2026, as part of the Salzburg Festival 2026 at the Felsenreitschule. The opera will premiere on August 4, 2026. (Photo by BARBARA GINDL / APA / AFP via Getty Images) / Austria OUT