Fri resonans is an alternative music festival in Trondheim, Norway. The festival was founded in 2005 and the objective is to create increased enthusiasm, acceptance and understanding of alternative musical expressions. In 2025, the festival will take place on October 3rd and 4th at Dokkhuset Scene. The festival is organized and curated by the musicians Tollef Østvang, Peder Overvik Stuberg and Joakim Rainer Petersen.
Fri resonans is supported by: Arts Council Norway, Trondheim Kommune, Midtnorsk Jazzsenter, Trøndelag Fylkeskommune, Norsk Jazzforum, Norsk Komponistforening, nyMusikk Trondheim and Dokkhuset Scene.