ArcTanGent confirm final 2025 main stage headliner

ArcTanGent have announced their final 2025 main stage headliner, Godspeed You! Black Emperor.

The Canadian post-rock titans join the bill in a European exclusive for the festival, while Chicago’s Snooze have also just been added to the line-up. Elsewhere at this year’s ATG, you can see everyone from Wardruna, Karnivool, Tesseract, Leprous, Melvins, Arab Strap, Green Lung, Rolo Tomassi, The Fall Of Troy, Maybeshewill, Pelican, Emma Ruth Rundle and more.

“We’ve been trying to book Godspeed for a number of years so we’re delighted to finally bring them back to ATG for the first time since they played in 2016,” says booker James Scarlett. “I don’t think it’s an understatement to say they are literally one of the best post-rock bands on the planet and a perfect ArcTanGent headliner. This is going to be a truly unique experience.”

ArcTanGent takes place from August 13 – 16. See the poster below.

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