Listen to Brennan on the Moor online. Brennan on the Moor is an Unknown language song and is sung by The Clancy Brothers & Tommy Makem. Brennan on the Moor, from the album Legends of Irish Folk The Clancy Brothers & Tommy Makem, was released in the year 2018. The duration of the song is 2:09. Download Unknown songs online from JioSaavn.