[11][12] Credits include, David Byrne, Frank Ocean, The Pretenders, Blur, Caribou, Goldfrapp, Erasure, The xx, Sampha, Jamie xx, Jungle, FKA Twigs, Glass Animals, Florence and the Machine, Arlo Parks, Alma, Hot Chip, Marika Hackman, Honne, Jack Garratt, Manic Street Preachers, Villagers, Courtney Barnett, Austra, Tourist, Richard Russell, Let's Eat Grandma, Young Fathers, Georgia, Bat For Lashes and Race Horses.

[13][14] As a musician, Wrench first came to public attention in 1990 with his first group Nid Madagascar who released the first Welsh-language acid house record "Lledrith Lliw" as a 12" single in 1990.

His early engineering and production credits from this period include records by British Sea Power, The Good Sons, Jackie Leven and The Blueskins, Zabrinski, MC Mabon, Julian Cope (Brain Donor) and Welsh Music Prize winning album from Georgia Ruth.

The album, which was produced by Julian Cope, comprises three re-workings of old revolutionary folk songs and one original instrumental piece based on the Rebecca riots.

Writing in the Sunday Times, Stewart Lee described the album thus: "In the face of young people's new enthusiasm for trad-lite, the Welsh weirdo David Wrench threatens to reunpopularise folk music, foregrounding puritanical politics over unpalatable instrumentation at funereal tempos.

Fans of Lisbee Stainton are unlikely to enjoy Wrench's punishing, 24-minute rendition of "The Blackleg Miner" despite the invigorating and apocalyptically primitive Mellotron interludes supplied by Julian Cope's Black Sheep band.

These weary recitations of traditional protest songs require patience, but by Helyntion Beca, a wordless closing workout inspired by 19th-century black-face transvestites attacking Carmarthenshire toll gates, the LP achieves a tortuous transcendence.

Wrench's production and mix credits from 2004 to 2014 include a number of critically acclaimed albums for Bear in Heaven (I Love You, It's Cool), Alessi's Ark (Time Travel), Race Horses (Goodbye Falkenberg), The Lizzies (St. John), Holy Coves (Peruvian Mistake), Zun Zun Egui (Katang), Y Niwl, Gwyneth Glyn, Skinny Lister (Forge & Flagon) and Caribou (Swim).

[38] Other mixing and producing projects during this period include "Gosh" from Jamie xx’s In Colour (2015);[39] tracks from Glass Animals’ How To Be A Human Being (2016),[40] their debut Zaba (2014) and also their most recent release Dreamland (2020);[41] Marika Hackman Any Human Friend (2019);[42] Alma Bad News Baby (2019),[26] Manic Street Preachers The Ultra Livid Lament (2021)[43] Villagers Fever Dreams (2021), Courtney Barnett Things Take Time, Take Time (2022).