Gardai have arrested a man in connection with the murder of Mr Martin Kivlehan in Sligo last month.
The man in his thirties was arrested this morning.
He is currently detained at Ballymote Garda Station.
Popular musician Mr Kivlehan was stabbed to death at his home in Sligo on August 3.
At his funeral, heartfelt tributes were paid to him by his brother Christy who played a CD recording of his brother on his beloved banjo.
Christy Kivlehan described his brother as gentle, kind and witty - and said he loved music.