Guy De Bièvre is a composer, musician, arranger, sound designer, sound art curator, theorist, and sound engineer. As a composer/performer he focuses on experiments, which combine computer, live electronics, acoustics and standard arrangement formats. He had works commissioned and/or performed by musicians such as Guy Klucevsek, Seth Josel, Anne La Berge, The Bozza Mansion Project, Annette Sachs, Zivatar Trio, and various local and international organizations.

As a performer (performing internationally in Europe, the USA and Japan) next to his own works, he collaborated with various composers and musicians such as Phill Niblock, Anne La Berge, Tom Hamilton, Ensemble Champ d’Action, and Peter Zummo.