
Live show by the Welsh folk collective MWSOG, fronted by Mari Mathias, closing the launch night of Indie Beer Fest Cymru at Down By Here.
MWSOG play Down By Here on Thursday 12 November, from 20:00 to 21:30. It's the closing show of the launch night for Indie Beer Fest Cymru, a showcase of Wales's independent brewing industry run by Welsh Breweries and SIBA.
MWSOG are a seven-piece Welsh collective who describe their sound as contemporary folk reshaped through a bold, ritualistic lens. They draw on Welsh traditional music, 1970s acid folk and psychedelic rock to build something that feels ancient in spirit but resolutely modern, all fronted by the commanding voice of Mari Mathias. It's a broad set of influences to pull from—traditional Welsh songs, the hazy, acoustic-led folk of the seventies, and the heavier, distorted edges of psych rock—and they bring them together under one roof.
They emerged on the Welsh label BWGiBWGAN with the debut single Chwyldro in autumn 2025, and their breakthrough came with Llef Hir in February 2026, which was named Track of the Week on BBC Introducing Mixtape and picked up by Radio 6 Music presenters Lauren Laverne, Huw Stephens, Nick Grimshaw and Craig Charles. Charles later named them a Featured Artist of the Month. The summer of 2026 saw them headline the main stage at Germany's Rudolstadt Festival and play the Walled Garden at Green Man Festival, where critics called their set 'Mabinogi-gone Sabbath genius'—a nod to the Welsh mythology of the Mabinogion meeting the heavy riffs of Black Sabbath.
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Down By Here is at 210 High Street, Swansea, SA1 1PE. The set runs from 20:00 to 21:30, and it's the final act of the launch night for Indie Beer Fest Cymru, which celebrates Wales's independent brewing scene.