A festivalgoer wearing a Grinch mask dances during the 36th edition of the Eurockeennes de Belfort music festival, in Sermamagny, eastern France, on July 4, 2026. (Photo by ROMEO BOETZLE / AFP via Getty Images)

Swiss singer Marie Jay performs on stage during the 36th edition of the Eurockeennes de Belfort music festival, in Sermamagny, eastern France, on July 4, 2026. (Photo by ROMEO BOETZLE / AFP via Getty Images)

Swiss singer Marie Jay performs on stage during the 36th edition of the Eurockeennes de Belfort music festival, in Sermamagny, eastern France, on July 4, 2026. (Photo by ROMEO BOETZLE / AFP via Getty Images)

Swiss singer Marie Jay performs on stage during the 36th edition of the Eurockeennes de Belfort music festival, in Sermamagny, eastern France, on July 4, 2026. (Photo by ROMEO BOETZLE / AFP via Getty Images)

Swiss singer Marie Jay performs on stage during the 36th edition of the Eurockeennes de Belfort music festival, in Sermamagny, eastern France, on July 4, 2026. (Photo by ROMEO BOETZLE / AFP via Getty Images)

Swiss singer Marie Jay performs on stage during the 36th edition of the Eurockeennes de Belfort music festival, in Sermamagny, eastern France, on July 4, 2026. (Photo by ROMEO BOETZLE / AFP via Getty Images)

Swiss singer Marie Jay performs on stage during the 36th edition of the Eurockeennes de Belfort music festival, in Sermamagny, eastern France, on July 4, 2026. (Photo by ROMEO BOETZLE / AFP via Getty Images)

Swiss singer Marie Jay performs on stage during the 36th edition of the Eurockeennes de Belfort music festival, in Sermamagny, eastern France, on July 4, 2026. (Photo by ROMEO BOETZLE / AFP via Getty Images)