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The ArcTanGent crew continue to build the festival site. We’re almost ready for you!



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2 months ago


Last chance to get your hands on some beautiful ArcTanGent merch. Head over to the website to snap up a bargain before it all runs out. ... See MoreSee Less

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Jerry Barnard


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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)

Also available from:
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303 interested  ·  136 going
Tera Melos plus Tangled Hair at The Fleece, Bristol

Tera Melos plus Tangled Hair at The Fleece, Bristol

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. On-sale now.


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

Also available from:
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125 interested  ·  34 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.


Announced so far...

Rolo Tomassi: Math / metal from Sheffield / Brighton.

Talons: Post-Rock from all over the UK.

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.

Sœur: Alt-Rock from Bristol.

Wot Gorilla?: Math-Rock from Halifax.

Chiyoda Ku: Math-Rock from Bristol.

Vogons: Math-Rock from Leeds.


Remaining five acts revealed in January.
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504 interested  ·  162 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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622 interested  ·  147 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.

1501 interested  ·  581 going


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