ArcTanGent Festival

ArcTanGent Festival
Genre	Math rock post rock progressive metal alternative rock technical metal experimental music
Dates	August
Location(s)	Compton Martin, Somerset, near Bristol, England
Years active	2013–present
Website	arctangent.co.uk

ArcTanGent Festival (also known as ATG) is a three-day British rock festival held annually at Fernhill Farm in Somerset, England since 2013. It is the most popular British summer festival for math rock, post rock, progressive metal and experimental music. The festival is named after the Earthtone9 album arc'tan'gent (2000).^[1]

Previous performers include Heilung, Mogwai, Meshuggah, Devin Townsend, Explosions in the Sky, Coheed & Cambria, Opeth, Glassjaw, Godspeed You! Black Emperor, Sleep Token, Clown Core, Polyphia, Converge, Animals As Leaders, Shellac, American Football, TesseracT, The Dillinger Escape Plan, Russian Circles, Electric Wizard, Carpenter Brut, Igorrr, Alcest, Cult of Luna, Battles, Public Service Broadcasting, Empire State Bastard, Deafheaven, And So I Watch You from Afar, 65daysofstatic and Fuck Buttons.

The festival features five stages, silent disco after the live performances have finished, a selection of bars and food vendors, and weekend camping and VIP options.^[2]