Celtic music.

  Celtic music: It is a type of traditional folk music produced by Celtic peoples and predominates in areas such as Scotland, Ireland, Great Britain...

Instruments:  the fiddle, Celtic harp, Irish flute, tin whistle, uilleann pipes, and the bodhran.

Groups: Christy Moore, The Pogues, Wolfe Tones, The Dubliners, The Chieftains,  Seán Keane ....