On the Isle of Innisfree James McDunn Sopraan, Mezzosopraan St. Patrick's Day, Kinderen, Celtic, Folk
On The Banks Of Allan Water Carsten Gerlitz, Matthew Gregory Lewis, Traditional Scottish Folk Song, Phillip Keveren, Scottish Traditional Piano St. Patrick's Day, Celtic, Folk
On Your Shore Vincent Frank, Nicky Ryan Piano, Gitaar, Harp Celtic, Adult Contemporary, Pop, Adult Alternative, Folk Wereld en Land
One By One Wayne Shorter, Art Blakey, Enya, Ellen Allard, Nicky Ryan, Kitty Wells Gitaar, Piano, Elektrische gitaar Pop, Folk, Easy Listening, Jazz, Pop Rock
On that Day When I Cross the Mighty Sea Piano Track James Michael Stevens Piano Celtic, Evangelie, St. Patrick's Day
Òran Chaluim Sgàire / Iolaire Sùil Na Grèine Julia Gordon Accordeon St. Patrick's Day, Celtic, Folk, Folk Wereld en Land
One Toy Soldier Nicky Ryan, Forevergreens Music, Roma Ryan Gitaar, Piano Adult Contemporary, Celtic, Folk, New Age, Etnische fusie
Oran na Maighdinn Mhara Tiffany Schaefer, Eve McTelenn, Julia Gordon Accordeon, Harp Folk, St. Patrick's Day, Celtic
On My Father's Wings David Foster, Carole Bayer Sager, The Corrs Gitaar, Piano Pop, Rock, Podium & Scherm, Celtic, Vaderdag
Orinoco Flow Nicky Ryan, Celtic Woman, Sarah Cellobat Chaffee, Roma Ryan, Kirby Shaw Ukelele, Piano, Gitaar, Sopraan, Altviool, Cello Pop, Folk Wereld en Land, Adult Alternative, Celtic, Alternatief
Hole in the Hedge/Out on the Ocean Traditional Fiddle Tunes, Thomas Quigley, Tom Paxton, Traditional Irish Gitaar, Piano, Cello, Viool, Altviool, Basgitaar Folk, Folk Wereld en Land, Country, Celtic, St. Patrick's Day
O Waly Waly Corduroy Fifths Music Publishing, Melissa Blanton, Benjamin Britten, Traditional English, Richard Walters, Karen Unsworth Piano, Baritonsaxofoon, Cornet, Bugel, Tenor, Euphonium Celtic, Folk, Folk Wereld en Land, Evangelie, Klassiek
O wert thou in the cauld blast Konrad Harley, Felix Mendelssohn, Scottish tune Piano Klassieke periode, Klassiek, Romantisch, Celtic, St. Patrick's Day
O The Deep Deep Love Of Jesus Patti Drennan, K.L. Phillips, Brenda Portman, Heather Sorenson, Annie Routley, Joseph M. Martin Altviool, Piano, Altsaxofoon Celtic, Evangelie, Klassiek, Pop
