Ose Shalom John Leavitt, Traditional Hebrew Text, Judith Silver, Traditional Hebrew Song, N. Hirsh, Richard Cook Contrabaixo, Baixo, Viola, Piano, Soprano Folclore Mundo e País, Metal, Gospel, Folclore
Ossian and Malwine Irish Traditional, Hans-Andre Stamm Piano, Violino Dia de São Patrício, Celtic, Folclore
O Tannenbaum - O Christmas Tree Michael Beier, Melchior Franck, Marilyn Rummel Ocarina, Harpa, Flauta doce Gospel, Folclore, Barroco, Folclore Mundo e País
Ound onoren for alto and guitar David Warin Solomons Fagote, Guitarra, Flauta Folclore, Folclore Mundo e País
Orchids In The Moonlight Edward Eliscu, Gary Meisner, Dinah Shore, Gus Kahn, Vincent Youmans Guitarra, Piano, Acordeão Latim, Folclore, Palco & Tela, Jazz, Easy Listening
Ordinary Miracle Dave Stewart, Doug Abbott, CAROLE PRIETTO, Rick Hein, Glen Ballard, Sarah McLachlan Piano, Flauta, Guitarra, Saxofone Alto, Clarinete Pop, Palco & Tela, Pop Rock, Musical, Alternativa Adulta
Orinoco Flow Nicky Ryan, Celtic Woman, Sarah Cellobat Chaffee, Roma Ryan, Kirby Shaw Ukulele, Piano, Guitarra, Soprano, Viola, Violoncelo Alternativa Adulta, Folclore Mundo e País, Nova Era, Pop Rock, Dia de São Patrício
Orphans Chris Martin, Guy Berryman, William Champion, Jeff Danna, Douglas Becker, Coldplay Piano, Guitarra, Ukulele, Baixo, Guitarra elétrica Pop/Rock Alternativo, Pop Rock, Rock Alternativo, Britpop, Palco & Tela
Our God Is In Control Steven Curtis Chapman, Mary Beth Chapman Piano, Guitarra Pop, Folclore, Country Gospel, Gospel
Our God Reigns Martin Smith, Leonard Smith, Stewart Smith, John Thatcher, Michael W. Smith, Jon Thatcher Piano, Guitarra Folclore, Pop, Pop Rock, Cristão contemporâneo, Gospel
Our Love Is Easy Jesse Harris, Melody Gardot Guitarra, Piano Alternativa Adulta, Pop Rock, Folclore, Jazz Contemporâneo, Pop
Out Here On My Own Lesley Gore, Fiona Hickie, Irene Cara, Mac Huff, Mariann Cook, The Kids From Fame Piano, Órgão, Guitarra, Saxofone Tenor, Baixo, Tenor Broadway, Rock, Pop Rock, Balada, Trilha sonora
Opus One Sig Garris, Tommy Dorsey, Sy Oliver, Luis Cardoso, Brent Edstrom, Sid Garris Trombone, Clarinete, Saxofone Alto, Órgão, Flauta, Piano Jazz, Pop, Swing, Folclore, Big Band
Orbit Sarah Sadler, Peter Kipley, Bill Evans, Gary Sadler, Hans-Guenter Heumann, Michelle Ayler Piano Nova Era, Gospel, Jazz, Blues, Folclore
Original Fire Tim Commerford, Chris Cornell, Brad Wilk, Tom Morello Guitarra Rock, Pop Rock, Metal, Folclore, Pop
