<p>Imagine no Chieftains, no Planxty or Bothy Band, no Moving Hearts or Riverdance! This biography of Seán Ó Riada, who spearheaded the revival of Irish traditional music and moved it onto the international stage, shows it might not have happened without him. One of the few significant artists to remain in Ireland after the Second World War, he became an influential and intriguing character ? composer, musician, raconteur, film-maker and academic...