"[3] He has worked for labels such as Editions Mego, Important Records, Kranky, Mexican Summer, One Little Independent Records, Past Inside The Present, RVNG Intl., Sacred Bones, Saltern, Secretly Canadian, Sferic, Shelter Press, Unseen Worlds, and mastered music by Ákos Rózmann, Alessandro Cortini, Anton Webern, "Blue" Gene Tyranny, Catherine Christer Hennix, Celer, Charles Curtis, David Rosenboom, Éliane Radigue, Félicia Atkinson, Fennesz, Grouper, Jefre Cantu-Ledesma, John McGuire, Kali Malone, Morton Feldman, Richard Landry, Robert Ashley, Stephen O'Malley, Terry Jennings, The Caretaker, Yoshi Wada among many others.
[7] Mathieu's music has been released on 60 records, CDs and digital editions,[8] both solo and in collaboration with Akira Rabelais and Kassel Jaeger, David Sylvian, Ekkehard Ehlers, Janek Schaefer, Taylor Deupree, Robert Hampson, Sylvain Chauveau and others.
Since 1992, he has performed live in solo shows and at festivals in Europe, Scandinavia, North- and South America, Japan and created various sound environments for galleries and museums, a glass-blowing factory, a 17th-century garden, Berlin Mitte, a 19th-century steel plant, parks, an arrangement of 30 cars, a late antique throne hall and various other places across four continents.
[9][10][11][12][13][14][15][16] In 1990 Mathieu moved to Berlin, where he joined a young generation of improvising musicians and worked in several groups with Johannes Bauer, Dietmar Diesner, Axel Dörner, Andrea Neumann, Toshimaru Nakamura, Rudi Mahall, Harri Sjöström, and others.
Stol moved freely between improvisation, noise, and minimal rock, collaborated with various guest musicians and Butoh dancers and recorded a miniCD (Semi Prima Vista in 1994) and a 12-inch EP (001.010.011.100 in 1995) which was released on Kitty-Yo, Berlin in 1998.
Interpretations of pieces by Phill Niblock, Alvin Lucier, Walter Marchetti, Charlemagne Palestine and Francisco López are performed by Mathieu on the Virginals, mechanical gramophones, electronic organs and obsolete media devices.