O, America - Instrumental Solo Jim Kazik, Celtic Woman, Brendan Graham, William Joseph Viola Celtic, St. Patrick's Day, Folk, New Age
Oasis Harold Hopkins Miranda, Matthew Harper, Amanda Palmer, Ramon Ortiz, Ian Axel, A Great Big World Electric guitar, Guitar, Piano, Flute, Violin, Recorder Progressive Electronic, Alternative Rock, Folk, Pop Rock, punk
Oblivion Island Lena Orsa Piano, Bass guitar, Drum Set, Guitar, Bass New Age, Stage & Screen, Folk World & Country
Nuvole Bianche Ludovico Einaudi Cello, Piano, Violin, Harp, Double Bass, Viola Classical, Soundtrack, Easy Listening, New Age, Pop
O America! Brendan Graham, Roger Emerson, Jim Kazik, William Joseph, Celtic Woman Piano, Guitar, Cello Adult Contemporary, Celtic, Soundtrack, Pop, Stage & Screen
Oceans Apart Michael Giacchino, Jim Brickman, Charles Martin Piano Stage & Screen, Adult Contemporary, New Age
O Christmas Tree piano solo for intermediate level students Nigel Jefferies, Christine Brown Piano Romantic, Gospel, New Age
Nostalgia Stephan Moccio, Arturo Sandoval, Neal Hefti, Melody Bober, Michele McLaughlin, Fats Navarro Guitar, Piano, Double Bass, Reed organ, Trumpet Blues, Contemporary Christian, Contemporary Music, Jazz, Classical
Ocean Klaus Doldinger, Ilsey Juber, Giorgio H Tuinfort, Abe Stoklasa, Lady Antebellum, Tanner Underwood Piano, Guitar, Electric guitar Country, Stage & Screen, Pop, Gospel, Children
Ocean Breeze Roger Davidson, James Michael Stevens, Walter Afanasieff, Kenny G Violin, Flute, Piano, Soprano Saxophone Easy Listening, Gospel, Latin, Jazz, New Age