A night celebrating Irish music at the Ulster Hall.

The first performance is by the Belfast Harp Orchestra, founded and led by Janet Harbinson. Throughout the act, Janet explains the history and roots of the accompanying music. The second group for part one, is a family of 6 brothers, Na Casaidigh, who all play multiple instruments throughout, with the 'Marching' tune which is in Gaelic and has Ulster Presbyterian origins.

• NI Direct - PRONI