Triakel is a band from the Swedish region of Jämtland. The band members are Emma Härdelin (vocals), Kjell-Erik Eriksson (fiddle) and Janne Strömstedt (harmonium). They play both traditional and new Swedish folk music, performed only with a fiddle and a harmonium. Emma Härdelin, the singer of the band, is also a member of Garmarna, and Kjell-Erik Eriksson is active in Hoven Droven.