Oidche Mhath Leibh Irish Traditional, Hans-Andre Stamm Soprano, Harpe, Flûte La Saint-Patrick, Celtique, Folk
O My Love Is Like A Red, Red Rose Simon Carrington, Traditional Scottish, Mark Phillips, Robert Burns Guitare, Piano, Basse, Ténor, Alto, Soprano Folk, La Saint-Patrick, Celtique
Omnia vincit amor Alessandro Orologio Cornemuse, Flûte, Accordéon, Hautbois, Violon, Flûte à bec Folk, Celtique, Enfants, La Saint-Patrick
Oft in the stilly night Arthur Somervell, Thomas Moore, Dominic Meccia, Benjamin Britten, Traditional Irish, Dudley E. Bayford Guitare, Piano, Orgue, Clavier électronique, Hautbois, Basson La Saint-Patrick, Folk Monde et Country, Classique, Celtique, Folk
Celtic Prelude on Once In Royal David's City Andrew Emmet, Cecil Francis Alexander, Abdul Adhl Azeez, James Mayhew, Danny Crocome, Alan Beyel Cor, Piano, Cloche à main, Trombone, Tuba, Violon Romantique, Folk, Gospel, Big Band, Enfants
Old Maid In A Carret Traditional Irish Folk Song, Irish Folk Song Piano, Guitare, Orgue, Clavier électronique Folk, Folk Monde et Country, La Saint-Patrick
Old Irish Blessing arranged for Voice and Piano accompaniment Piano Gospel, La Saint-Patrick, Scène & Écran, Celtique, Chrétien contemporain
On that Day When I Cross the Mighty Sea James Michael Stevens Violon, Piano Gospel, La Saint-Patrick, Celtique
On The Banks O' Loch Etive Martin Hay Cornemuse Celtique, Folk Monde et Country, Folk, La Saint-Patrick
Only Time Roma Ryan, Fernando Britto, Nicky Ryan, David Robb, Enya, Phillip Keveren Flûte à bec, Clarinette, Violon, Alto, Cor, Flûte Alternative adulte, Gospel, La Saint-Patrick, Ballade, Pop
Only If Juliano Music, Nicky Ryan Piano, Guitare Fusion ethnique, Alternative adulte, Celtique, La Saint-Patrick, New Age
Only When I Sleep Oliver Leiber, Ana Vieira, John Shanks, Andrea Corr, Sharon Corr, Jim Corr Violoncelle, Alto, Guitare, Violon, Piano, Batterie Classique, Pop/Rock alternatif, Rock, Alternative adulte, La Saint-Patrick
On Raglan Road Mark Knopfler, Caroline Pearsall, Patrick Kavanagh, Clive Lane Violoncelle Celtique, Rock, La Saint-Patrick, Folk
On the Isle of Innisfree James McDunn Mezzo-soprano, Soprano Enfants, Folk, La Saint-Patrick, Celtique
On The Banks Of Allan Water Carsten Gerlitz, Matthew Gregory Lewis, Traditional Scottish Folk Song, Phillip Keveren, Scottish Traditional Piano Folk, La Saint-Patrick, Celtique
