10 years since the consumerist musings of Tesco, Matthew Herbert reanimates his Wishmountain project and heads deep underground to find the source material for Stonework: 1000 metres down.Like many of Herbert’s projects, Wishmountain releases revolve around specific, material sound palettes, and for this latest album he’s drawn from a sample library created as a commission for the Stone Techno festival, which took place at the UNESCO World Heritage Zollverein mine in Essen, Germany. Working with sound recordist Lorenzo Dal Ri, Herbert and Dan Pollard captured a varied and wide variety of hits, tones, textures and one-shots from the frozen-in-time remnants of the Ruhr region’s coal-mining industry and from specific materials in the nearby Ruhr Museum and Mineralien-Museum. A sample library created by Matthew and Dan of the recordings was also used for the Stone Techno series, from which tracks have been commissioned by the likes of Luke Slater, Megan Leber, Ben Sims and KiNK drawi