Tri Yann Breton For The "three Johns" Is A Breton Folk-Rock Band Founded In 1971 By Jean-Louis Jossic Jean Chocun And Jean-Paul Corbineau. The Band Began By Playing Traditional Breton Music On Traditional Instruments Like Mandoloncello Dulcimer Psaltery Bombarde Cromorne And Shawm. In 1976 With "La Découverte Ou L'Ignorance" They Started To Introduce Some Rock Elements Like Electric Bass And Drums. Today They Are One Of The Longest-Standing Breton Music Groups Surviving From The Folk-Rock Revival Of The 1970s. A Popular Live Band In France Tri Yann Is Famous For Their Outlandish Costumes And Theatrical Presentation On Stage. The Band Members Are Multi-Instrumentalists And Usually The Number Of Instruments On The Stage Is Usually Far Greater Than The Number Of Musicians. Current Members Jean-Louis Jossic - Vocals Bombarde Jean Chocun - Vocals Mandolin Guitar Jean-Paul Corbineau - Vocals Acoustic Guitar Gérard Goron - Vocals Drums Jean-Luc Chevalier - Electric Guitar Bass Guitar Konan Mevel - Bagpipes Flutes Fred Bourgeois - Vocals Keyboards Christophe Peloil - Vocals Violin Former Members Bernard Baudriller - Bass Guitar Jérôme Gasmi - Drums Christope Le Helley - Flute