Sean O’Riada’sClick to see full answer. Just so, who composed the music for Mise Eire?Sean O’Riada’sOne may also ask, where is Sean Riada buried? He suffered cirrhosis of the liver. He was flown to King’s College Hospital, London, for treatment and died there. He is buried in St Gobnait’s graveyard, Baile Bhuirne, County Cork. Willie Clancy played at his funeral. Secondly, what is the poem Mise Eire about? In the poem, Pearse personifies Ireland as an old woman whose glory is past and who has been sold by her children.How did Sean O’Riada die? Cirrhosis of the liver