Latest update from ArcTangent:

Just some of what went on at ATG number 5 this weekend. Hope you had a blast and got home safe? We miss you all already. Let us know your highlights in the comments below – Ours were (in no particular order) Jambinai 잠비나이 Ho99o9 Brutus and of course Russian Circles Converge and Explosions in the Sky all absolutely smashed it. See you next year!??? Video by Capturing Adventure



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Amenra and Boris at Thekla, Bristol

Amenra and Boris at Thekla, Bristol

Feb 14, 6:30pm - Feb 14, 10:00pm

Thekla Bristol
The Grove
Bristol,  BS1 4RB Map

Amenra and Boris bring their devastatingly heavy co-headline run to Bristol. Expect full headline sets from both. On-sale now.


£18.50adv | Ages 14+ (under 18s must be accompanied by an adult)

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305 interested  ·  137 going
Tera Melos plus Tangled Hair and Chiyoda Ku at The Fleece

Tera Melos plus Tangled Hair and Chiyoda Ku at The Fleece

Mar 21, 7:30pm - Mar 21, 11:00pm

The Fleece Bristol
12 St Thomas Street
Bristol,  BS1 6JJ Map

California math rock trio Tera Melos play Bristol in support of their 2017 Sargent House released album 'Trash Generator'. Support from Tangled Hair and Chiyoda Ku. On-sale now.


£12adv | All Ages (under 16s must be accompanied by an adult)

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144 interested  ·  46 going
StrangeForms 2018

StrangeForms 2018

Apr 7, 2:00pm - Apr 8, 11:30pm

Brudenell Social Club
33 Queens Road
Leeds,  LS6 1NY Map

Math-Rock. Post-Rock. Post-Metal.

StrangeForms returns for it's fifth edition and we're absolutely delighted to be holding it at Brudenell Social Club.

Featuring 18 awesome, hand-picked acts over two days, this will be the biggest StrangeForms yet!


Weekend tickets on sale (£21) via...

Jumbo Records:

Crash Records:


SEE Tickets:

DICE - UK, Ireland & USA (via Mobile App):

Limited day tickets available from the end of January.


Rolo Tomassi: Math / metal from Sheffield / Brighton.

Talons: Post-Rock from all over the UK.

VALERIAN SWING: Experimental rock from Correggio, Italy.

Codes In The Clouds: Post-Rock from London. Returning after a four year absence.

Alpha Male Tea Party: Math-Rock from Liverpool.

Poly-Math: Prog-Rock from Brighton.

VASA: Post-Rock from Glasgow.

Big Lad: Electronic-Drumcore from London.

Jo Quail: Instrumental celloist from London.

A Sudden Burst of Colour: Post-Rock from Motherwell.

Tacoma Narrows Bridge Disaster: Post-Metal from London.

Adam Betts - Music: Solo beats from the THREE TRAPPED TIGERS drumming genius.

Sœur: Alt-Rock from Bristol.

Wot Gorilla?: Math-Rock from Halifax.

Earth Moves: Post-hardcore / post-rock from Brighton.

Chiyoda Ku: Math-Rock from Bristol.

Trigger Thumb: Math-metal from Bradford.

Vogons: Math-Rock from Leeds.

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534 interested  ·  187 going
Portals Festival - yndi halda/Totorro/Talons & more

Portals Festival - yndi halda/Totorro/Talons & more

Jun 16, 12:00pm - Jun 17, 11:00pm

Absolutely delighted to announce the first Portals Festival of experimental rock!

Two full days of incredible math/post/experimental rock alternating over two stages, so you shouldn't miss out on a second of music.

A lovely courtyard and beer garden between the stages will house food vendors for your culinary pleasure.


yndi halda - Lengendary post-rock band yndi halda will headline the festival and play the closing set of the weekend. The band rose to prominence with their 2005 masterpiece 'Enjoy Eternal Bliss', which was followed up last year with the equally brilliant 'Under Summer'.
FFO: Mogwai, Mono

TOTORRO - French math-rock giants Totorro bring a whirlwind of fresh and upbeat math-rock sounds. This band never ceases to amaze.
FFO: TTNG, Hella

Talons - 6-piece Hereford instrumental group Talons bring ferocious orchestral post-rock. Talons headlined Portals 4 and were absolutely amazing. We can’t wait to have them back.
FFO: Godspeed You! Black Emperor, Mogwai

Axes - One of our absolute favourite live bands, Axes bring together playful intricacies with furious riffs and hooks in a joyous sound to tickle the senses. Possibly the tightest live band around.
FFO: Giraffes? Giraffes!, Delta Sleep

Alpha Male Tea Party - Liverpool favourites AMTP have risen to become one of the most exciting experimental/math-rock bands in the country. They've blown us away 4 times at ArcTanGent Festival.
FFO: Tera Melos, Brontide

Her name is Calla - Headlined Portals in May 2017 and showed their unique folk/post-rock brilliance. This set will be an extra special set as the band will play their debut album 'The Heritage' in its entirety to celebrate the 10 year anniversary of its release, joined by The Monroe Transfer.
FFO: Sigur Ros, yndi halda

VALERIAN SWING - Expansive, experimental post-rock with a heavy twist, Italians Valerian Swing come back to the UK showcase their mindblowing live set.
FFO: Russian Circles, Lite

Big Lad - Gnarly, electronic noise-math, Big Lad feature cascading grooves with dark synth textures that will surprise and intrigue in equal measure
FFO: Three Trapped Tigers, Aphex Twin,

Suffer Like G Did - Math-rock legends SLGD bring jazzy grooves, winding time signature changes and splendid riffs. They’ve finally reformed after more than three years away.
FFO: TTNG, Minus the Bear

VLMV - Combining sumptuous melodies with soaring vocals and waves of loops, drenched in reverb, this will be a sumptuous treat.
FFO: Nordic Giants, Sigur Ros

Body Hound - A joy to watch, their blistering riffs and technical mastery will shock and awe you in equal measure.
FFO: Adebisi Shank, ASIWYFA

Lost in the Riots - Possibly Watford’s finest export, instrumental rock quartet Lost in the Riots abound with giant
riffs and seamless precision. Their upcoming album ‘Bonds’ will be released in 2018 and we can’t wait!
FFO: And So I Watch You From Afar, Adebisi Shank

The Hyena Kill - They will bring the noise. The drums/guitar duo combine thunderous riffs with exploding distortion and a rhythm section harder than a hammer.
FFO: Tool, Deftones, Brutus

Pijn - Massive post-metal from Manchester, prepare to be blown away.
FFO: Russian Circles, Deafheaven

Natalie Evans - Tender and charming fingerstyle acoustic songwriting with lots of harp added for good measure, Natalie Evans is always a joy to behold.
FFO: Delta Sleep, Yvette Young

Tomorrow We Sail - Stunning post-rock with a folk undertone, Tomorrow We Sail spark deep passions and heartfelt crescendos.
FFO: Thee Silver Mt. Zion, Sigur Ros


All early bird tickets now SOLD out. Tier 3 tickets onsale now but we expect these to go soon as well:

Grab them quick...!
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646 interested  ·  159 going
ArcTanGent 2018

ArcTanGent 2018

Aug 16, 1:00pm - Aug 19, 2:00pm

Fernhill Farm
Bristol,  BS40 6LD Map

ArcTanGent is the UK’s only festival dedicated to the very best music from the worlds of math-rock, post-rock and noise rock.

1554 interested  ·  607 going


  1. Toska were my highlight, along with The Physics House Band, Explosions, Tesseract, A Werewolf, Bossk, Hark, Listener, Russian Circles… so much good stuff.

    Definitely the best festival I’ve been to so far. Very big thank you to the organisers, stewards, and bands!

  2. Converge, Ho99o9, Boris, FOTL, St.Pierre Snake Invasion, Russian Circles, A Werewolfffff, Brutus, Big Lad, USA Nails, Wot Gorilla?, Britney, those beautiful bastards in Alpha Male Tea Party for making me (almost) cry. So much more.

  3. My 1st ever festival at the age of 40.I had no idea about the bands and who to see but i went with a great bunch of mates and i found werewolf to be my highlight.Tosac was great also.I love mud now…i meed it in my life

    Thanks ArcTanGent for the perfect memory

    Same time next year

  4. Gallops, Nordic Giants, Totorro, Lost in Kiev, God is an Astronaut, Sikth and explosions were the highlights for me, but in all honesty there was pretty much always someone playing who I wanted to see, even at 11am. Top quality line up this year – nice job 👌

  5. superlative festival… my 2 beloved Swiss friends & i had a wonderful time & heard an astonishing amount of quality music. Pin ‘s band SiKTh were my main interest of course, but i found some fab new bands to dig into…
    thanks ATG for putting together a veritable feast of a line-up!

    thanks also to Kathrin Hirzel
    Diins Decki &
    Rafi Neuburger

    you are all fabulously generous & genuine humans

  6. The Thursday this year was just incredible. Future of the Left, Nordic Giants and Russian Circles in a row… Converge were awesome on the Saturday too. I’m still bruised from Frontierer and I want more pad thai.

  7. Been to every single ATG so far and always have a great time – genuinely, thank you guys for putting it together. I don’t realise how lucky I am to have this festival within a day’s drive, until I see the comments section from overseas 🙂
    However, I had some grumbles about this year. Jambinai were absolutely incredible, and I’d never heard them before – but the quiet bits were spoiled by people screaming “WOOOOOOOOOOO!” at the top of their voices, which sort of spoils the effect of the quiet bit in the song. It happened during Yndi Halda last year, too, and people decided they wanted to have a chat right in front of the Her Name Is Calla acoustic set – and it pees me off. I don’t know if this is just a British festival thing, or related to the bands are on, or what.
    Also, considering the festival had sold out this year – the number of toilets seems to have roughly stayed the same. I know you guys were proud of your “best toilet” award a couple of years ago, and they were generally clean, but there weren’t that many of them!
    The bigger the festival gets, the more rubbish there seems to be around the campsite, which is a real shame, but I guess there’s nothing you can do about that. It just feels like the festival is losing its great-place-to-be vibe as it grows. Or maybe it’s just me!
    Finally, if you could sort out the weather so that it’s more like the first year, that’d be much appreciated. (Also, somewhere to sit undercover would be really nice – in the rain, all the tents were full and there wasn’t anywhere to stand except ankle-deep in mud and rain).
    (Also, despite leaving early, we missed Waking Aida – who really deserve a better slot at the festival!)

  8. Highlights for me were Boris, Converge, Russian Circles, Vasudeva and Totorro – Although to be honest I didn’t see a bad band all weekend! Arctangent sure know how to curate a line up. Roll on 2018…

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