Ó ró sé do bheatha ‘bhaile / Denis Cox

O Sole Mio / Patrick Gerald Ward ; Bertram J. Harrison

O’Brien the Blacksmith, song / Robbie McMahon, singing in English

O’Catháin’s dream, song / Dominic Kelly, singing in English

O’Connell’s reel ; The morning star, reel / Dan Sullivan’s Shamrock Band, instrumental gro...

O’Connells reel ; The morning star, reel / Dan Sullivan’s Shamrock Band, instrumental grou...

O’Donnall Aboo / Ridgely’s 69th Regimentt Band

O’Donnell abú / Ridgely’s 69th Regiment Band

O’Donnell’s lament, song / Jimmy McBride, singing in English

O’Kelly’s Fancy, hornpipe; The Cuckoo, hornpipe / Paddy O’Brien, accordion

O’Reilly from the County Cavan, song / Michael McGonigle (James Eoghain), singing in Engli...

O’Sullivan’s march, jig ; O’Neill’s jig / Tim McHugh, flute

Off She Goes ; Nora Creena / Comerford Trio

Off to California ; Dunphy’s Hornpipe / Michael J Grogan

Off to California ; Dunphy’s Hornpipe / Michael J. Grogan

Off to California, hornpipe ; Dunphy’s hornpipe / Miss O’Rourke, fiddle, & Mr. Neiland, fl...

Off to Philadelphia / James McCafferty ; Herbert Hughes

Off to the Hunt ; Butcher’s March / John Fahey ; Johnny Connors

Oh bo bo, song / Antaine Ó Faracháin, singing in Irish

Oh Effulgent Lord, song [sound recording] / Mary Kelly, singing in Irish

Oíche Nollag, reel / Mícheál Ó Súilleabháin, piano

Old Arboe, song / Jim MacFarland, singing in English

Old Arboe, song / Mick McIlhenney, singing in English

Old Glenfin, song / Charlie McGonigle (James Eoghain), singing in English