Old Whiskey Robin Andrews Akkordeon, Bratsche, Blockflöte, Sopran-Saxophon, Flöte, Harfe St. Patrick's Day, Folk Welt und Land, Celtic, Volksmusik
Oidche Mhath Leibh Irish Traditional, Hans-Andre Stamm Flöte, Sopran, Harfe Volksmusik, Celtic, St. Patrick's Day
Old Irish Blessing Denes Agay Sopran, Klavier Volksmusik, Bühne & Leinwand, Evangelium, Celtic, Frühe Musik
O My Love Is Like A Red, Red Rose Simon Carrington, Traditional Scottish, Mark Phillips, Robert Burns Sopran, Bratsche, Tenor, Bass, Gitarre, Klavier St. Patrick's Day, Celtic, Volksmusik
Omnia vincit amor Alessandro Orologio Flöte, Dudelsack, Oboe, Sopran, Violine, Bratsche Kinder, St. Patrick's Day, Volksmusik, Celtic
Oft in the stilly night Arthur Somervell, Thomas Moore, Dominic Meccia, Benjamin Britten, Traditional Irish, Dudley E. Bayford Klavier, Gitarre, Sopran-Saxophon, Sopran, Baritonsaxophon, Altsaxophon Klassisch, Folk Welt und Land, St. Patrick's Day, Celtic, Volksmusik
Celtic Prelude on Once In Royal David's City Andrew Emmet, Cecil Francis Alexander, Abdul Adhl Azeez, James Mayhew, Danny Crocome, Alan Beyel Harfe, Bassklarinette, Fagott, Gitarre, Oboe, Klavier Celtic, Klassisch, Evangelium, Big Band, St. Patrick's Day
One Drop Jared Plane, Christine Hulmer, Irish Folk Song, Bob Marley, Matt Bronleewe, Tiffany Arbuckle Lee Gitarre, Bassgitarre, Bass, Klavier Rhythm & Blues, Soul, Celtic, Erwachsene Alternative, Hip Hop
Old Irish Blessing arranged for Voice and Piano accompaniment Klavier Bühne & Leinwand, Evangelium, Celtic, St. Patrick's Day, Zeitgenössische Christen
One Night Christina Perri, Danny Wood, Andrea Corr, Fran Healy, Brad Young, Anita Steiman Gitarre, Klavier, Bass, Schlagzeug, E-Gitarre Pop, Musical, Bühne & Leinwand, Broadway, Celtic
On that Day When I Cross the Mighty Sea James Michael Stevens Klavier, Violine Evangelium, St. Patrick's Day, Celtic
On The Banks O' Loch Etive Martin Hay Dudelsack Volksmusik, Folk Welt und Land, Celtic, St. Patrick's Day
One Way Hillsong United, The Levellers, Mark Chadwick, Charles Heather, Marty Sampson, Jonathan Sevink Gitarre, Klavier, Oboe, Flöte, Violine, Blockflöte Alternative Pop/Rock, Evangelium, Rock, Pop, Celtic
Only Time Roma Ryan, Fernando Britto, Nicky Ryan, David Robb, Enya, Phillip Keveren Klarinette, Blockflöte, Trompete, Orgel, Elektronische Tastatur, Klavier Rock, Pop Rock, St. Patrick's Day, Erwachsene Alternative, Ballade
Only If Juliano Music, Nicky Ryan Gitarre, Klavier Erwachsene Alternative, St. Patrick's Day, New Age, Ethnische Verschmelzung, Celtic
Only When I Sleep Oliver Leiber, Ana Vieira, John Shanks, Andrea Corr, Sharon Corr, Jim Corr Gitarre, Klavier, Schlagzeug, Violine, Bratsche, Cello Erwachsene Alternative, St. Patrick's Day, Pop Rock, Klassisch, Volksmusik
On Raglan Road Mark Knopfler, Caroline Pearsall, Patrick Kavanagh, Clive Lane Cello St. Patrick's Day, Celtic, Rock, Volksmusik
