Breton music group, established in 1986 by two brothers born in Quimper, Brittany, in northwestern France, Frédéric Guichen and Jean-Charles Guichen, playing the diatonic accordion and the acoustic guitar respectively. They were joined in 1987 by [a=Gaël Nicol] (bombard and bagpipes), David Pasquet (bombards), then in 1990 by Stéphane De Vito (electric bass).