Senegalese singer Youssou Ndour performs on the opening day of the 42nd edition of the Francofolies music festival in La Rochelle, western France, on July 10, 2026. (Photo by Philippe LOPEZ / AFP via Getty Images)

Spectators attend the Francofolies music festival during its 42nd edition, in La Rochelle, western France on July 10, 2025. (Photo by Philippe LOPEZ / AFP via Getty Images)

Spectators attend the Francofolies music festival during its 42nd edition, in La Rochelle, western France on July 10, 2025. (Photo by Philippe LOPEZ / AFP via Getty Images)

Spectators attend the Francofolies music festival during its 42nd edition, in La Rochelle, western France on July 10, 2025. (Photo by Philippe LOPEZ / AFP via Getty Images)

A sign indicates a water mist diffusion area to help festivalgoers cool off on the opening day of the 42nd Francofolies music festival in La Rochelle, western France, on July 10, 2026, as France experiences a heatwave. (Photo by Philippe LOPEZ / AFP via Getty Images)

A festivalgoer waits on the grandstand ahead of the first concerts on the opening day of the 42nd Francofolies music festival in La Rochelle, western France, on July 10, 2026, as France endures a heatwave. (Photo by Philippe LOPEZ / AFP via Getty Images)

French-Brazilian singer Luiza performs on stage on the opening day of the 42nd Francofolies music festival in La Rochelle, western France, on July 10, 2026, as France endures a heatwave. (Photo by Philippe LOPEZ / AFP via Getty Images)

A man cools off under a water mist diffuser as festivalgoers arrive on the opening day of the 42nd Francofolies music festival in La Rochelle, western France, on July 10, 2026, as a heatwave hits France. (Photo by Philippe LOPEZ / AFP via Getty Images)