Wellenform is a Turku-based electronic music duo, formed by Teppo Toivonen and Jaakko Penttinen. They have made music in various lineups since the 90’s and have performed in a wide range of venues.

Wellenform’s musical direction is based on early industrial and techno music as well as musique concrete. The utilized sound sources are Modular and Analogue synthesizers, samples, among others.