Hellfest 2026 took place from June 18 to 21 in Clisson, France, featuring performances by Megadeth, God Is An Astronaut, Jo Quail, and Ultra Vomit, whose live footage from the festival was released in a music video. The event drew attention for its blend of heavy metal and modern rock acts, though environmental concerns around climate change persisted despite efforts to modernize the festival's musical offerings.