Karen Matheson OBE ( born 11 February 1963 ) is a Scottish folk singer who frequently sings in Gaelic . She is the lead singer of the group Capercaillie and was a member of Dan Ar Braz 's group L'Héritage des Celtes , with whom she often sang lead vocals , either alone or with Elaine Morgan . She and Morgan sang together on the Breton language song " Diwanit Bugale " , the French entry in the Eurovision Song Contest 1996 . She made a cameo appearance in the 1995 movie '' Rob Roy '' singing the song " Ailein duinn "
Eurovision Song Contest 1996
Eurovision Song Contest 1996
Karen Matheson