A famous Irish musical group. Their music has been variously described as folk music, new age and Celtic. Clannad are Máire Brennan, Ciarán Brennan, Pól Brennan, Noel Duggan and Padraig Duggan. Enya Brennan, Máire's sister, used to be a member of the group in the early 1980s. The band won a Grammy Award in 1999 for Best New Age Album.

Clannad, whose name is taken from an Clann as Dobhar meaning the family from the townland of Dobhair, was formed by the Brennan family in 1970. Máire, Ciarán and Pól Brennan joined uncles Noel and Padraig Duggan and began performing in their father Leo's tavern. Máire's sister, Enya, joined the band in 1979 and left 3 years later to pursue a successful solo career. Máire has also enjoyed a simultaneous career as a solo singer.