Fiontán Ó Cearbhaill was born in Wexford and moved to Waterford as a child. He was employed as a railway clerk for 27 years, gaining his B.Mus from Trinity College Dublin through evening study.
Proinnsías Ó Duinn was born in Clontarf in Dublin. He studied cello, piano and conducting at the College of Music, Dublin and began composing at the age of nineteen.
Ó Gallchobhair (anglicised O’Gallagher) studied at the Royal Irish Academy of Music (1927-1935) and was a prolific composer of easy listening songs, piano and chamber music with a very strong Irish
Seán Ó Riada was born in Cork. He studied music at University College Cork with Aloys Fleischmann and received his BMus in 1952.
Mícheal Ó Súilleabhain was Chair of Music and Founding Director of the Irish World Academy of Music and Dance at the University of Limerick.
Vincent O’Brien remains best known as the first singing teacher of Irish celebrities John McCormack and Margaret Burke Sheridan; in fact, James Joyce was his pupil, too.
Breffni O’Byrne was born in Ireland in 1988.
Kevin O’Connell was born in Derry and began composing when he was twelve. He studied composition with Redmond Friel (1907-1979) before completing a music degree at Trinity College Dublin.
Neil O’Connor has been involved in experimental, electronic and electro-acoustic music for the past sixteen years and has toured extensively in Ireland, Europe, Australia, Asia and the US.
Simon O’Connor has studied composition under Donnacha Dennehy, Roger Doyle and Kevin Volans. He is also an award-winning graphic designer.
American-born composer and cellist Adele O’Dwyer was trained in the USA where she studied with Leonard Chausow, Zara Nelsova, Antony Cooke, Raya Garbousova and Martha Gerschefski.