Sean Ó Riada was the founder of the modern school (which is to say, the authentic ancient-style of playing) Irish folk music and, equally important, a vital nationalistic voice in the orchestral music of Ireland. Best known today as a composer, he was also present at the recording of the first album by the Chieftains, and founded the folk chamber orchestra Ceoltoiri Cualann, Paddy Moloney's group before forming the Chieftains. Sean Ó Riada (or John Reidy, in English) was born in Cork, Ireland in 1931, and attended University College, Cork. He received his Bachelor of Music degree in 1952, and served as assistant music director for Radio Eireann in 1954 and 1955. In 1955, he became the music director of the Abbey Theater in Dublin, a post he held until 1962. The following year, he became a lecturer at University College, Cork, a post he held until his death in 1971. During this period, he composed prolifically in all areas, including music for plays, 2 ballets, various orchestral suites symphonic pieces, several choral works, masses, chamber pieces, and piano works, and three notable pieces of film music. Among his generation of Irish composers, Ó Riada was the most deeply involved with traditional Irish music. Curiously, however, most of his works for the concert hall utilized no folk material, and some of it--most notably Nomos No. 1, is a contrapuntal piece that uses 12-tone ("serialist") technique. Nomos No. 2 utilizes a text drawn from Sophocles' Theban plays in its reflections on life and death and the history of music, and includes a quotation from Mozart's Symphony No. 41. Ó Riada was just as likely to look back to Mozart, Beethoven, or Brahms as to his own nation's musical heritage. Ó Riada also prepared numerous arrangements of traditional Irish songs, and...