Old Whiskey Robin Andrews Accordeon, Altviool, Blokfluit, Sopraansaxofoon, Fluit, Harp Folk Wereld en Land, Celtic, St. Patrick's Day, Folk
Oidche Mhath Leibh Irish Traditional, Hans-Andre Stamm Fluit, Sopraan, Harp Folk, Celtic, St. Patrick's Day
Old Irish Blessing Denes Agay Sopraan, Piano Evangelie, Vroege muziek, Podium & Scherm, St. Patrick's Day, Folk
O My Love Is Like A Red, Red Rose Simon Carrington, Traditional Scottish, Mark Phillips, Robert Burns Sopraan, Altviool, Tenor, Bas, Gitaar, Piano St. Patrick's Day, Celtic, Folk
Omnia vincit amor Alessandro Orologio Fluit, Doedelzak, Hoboï, Sopraan, Viool, Altviool Kinderen, Celtic, Folk, St. Patrick's Day
Oft in the stilly night Arthur Somervell, Thomas Moore, Dominic Meccia, Benjamin Britten, Traditional Irish, Dudley E. Bayford Piano, Gitaar, Sopraansaxofoon, Sopraan, Baritonsaxofoon, Altsaxofoon St. Patrick's Day, Celtic, Klassiek, Folk Wereld en Land, Folk
Celtic Prelude on Once In Royal David's City Andrew Emmet, Cecil Francis Alexander, Abdul Adhl Azeez, James Mayhew, Danny Crocome, Alan Beyel Harp, Basklarinet, Fagot, Gitaar, Hoboï, Piano Big Band, Kinderen, Folk Wereld en Land, St. Patrick's Day, Jazz
One Drop Jared Plane, Christine Hulmer, Irish Folk Song, Bob Marley, Matt Bronleewe, Tiffany Arbuckle Lee Gitaar, Basgitaar, Bas, Piano Evangelie, Adult Alternative, Celtic, Hip Hop, Ziel
Old Irish Blessing arranged for Voice and Piano accompaniment Piano Evangelie, St. Patrick's Day, Celtic, Hedendaagse christelijke, Podium & Scherm
One Night Christina Perri, Danny Wood, Andrea Corr, Fran Healy, Brad Young, Anita Steiman Gitaar, Piano, Bas, Drums, Elektrische gitaar Podium & Scherm, Broadway, Musical, Pop Rock, Folk
On that Day When I Cross the Mighty Sea James Michael Stevens Piano, Viool Evangelie, St. Patrick's Day, Celtic
One Way Hillsong United, The Levellers, Mark Chadwick, Charles Heather, Marty Sampson, Jonathan Sevink Gitaar, Piano, Hoboï, Fluit, Viool, Blokfluit Rock, Evangelie, Hedendaagse christelijke, Celtic, Alternatieve Pop/Rock
Only Time Roma Ryan, Fernando Britto, Nicky Ryan, David Robb, Enya, Phillip Keveren Klarinet, Blokfluit, Trompet, Orgel, Elektronisch keyboard, Piano Adult Alternative, Evangelie, Pop, Ballade, New Age
Only If Juliano Music, Nicky Ryan Gitaar, Piano St. Patrick's Day, New Age, Adult Alternative, Etnische fusie, Celtic
Only When I Sleep Oliver Leiber, Ana Vieira, John Shanks, Andrea Corr, Sharon Corr, Jim Corr Gitaar, Piano, Drums, Trommelstel, Viool, Altviool Pop, St. Patrick's Day, Folk, Alternatieve Pop/Rock, Rock
On Raglan Road Mark Knopfler, Caroline Pearsall, Patrick Kavanagh, Clive Lane Cello St. Patrick's Day, Celtic, Rock, Folk
