On The Moon Above Marjorie Duffield, Christopher Curtis, Cathy Ang, Helen Park, cathy ang ruthie ann miles Piano, Guitarra Palco & Tela
On The Road To Find Out Cat Stevens Guitarra, Piano Musical, Palco & Tela, Álbuns de Rock, Pop, Folclore
On This Night Of A Thousand Stars Tim Rice, Andrew Lloyd Webber, Mark Ryan Guitarra, Piano Broadway, Musical ou Espetáculo, Palco & Tela, Pop, Musical
Opening Titles Michael Price, Jan A.P. Kaczmarek, Juan Villodre, David Arnold, Kate Maystrova Piano Folclore, Palco & Tela, Trilha sonora, Rock, Pop
Open Road Robert Sheldon, Gary Barlow Piano, Guitarra Dia dos Namorados, Jazz, Palco & Tela, Folclore, Banda de Concerto
Opening Fanfare Adam Kosberg, Stefano Fabrizio Sacchi, Richard Rodgers Violino, Flauta doce, Flauta, Piano, Oboé Palco & Tela, Musical
Opening Up Mac Huff, Sara Bareilles Piano, Guitarra, Guitarra elétrica Musical, Pop, Rock, Folclore, Palco & Tela
Open The Door Laurie Théberge, Judy Collins, Leslie Bricusse, Ludwig Goransson, Ryuichi Sakamoto, Michael McDonald Piano, Guitarra, Guitarra elétrica Adulto Contemporâneo, Folclore, Palco & Tela, Trilha sonora, Pop
Once We Were Kings Lee Hall, Chris Lawry, Elton John Guitarra, Piano Musical, Folclore, Musical ou Espetáculo, Broadway, Palco & Tela
One At A Time Marilyn Bergman, Alan Bergman, Michel Legrand Piano, Guitarra, Guitarra elétrica Palco & Tela, Pop, Jazz, Trilha sonora, Folclore
One By One Wayne Shorter, Art Blakey, Enya, Ellen Allard, Nicky Ryan, Kitty Wells Guitarra, Piano, Guitarra elétrica Dança, Folclore, Rock, Celtic, Pop Rock
One Day I'll Fly Away Spence Bundy, Randy Crawford, Richard John, Joe Sample, Nicole Kidman, Will Jennings Guitarra, Piano, Flauta, Soprano, Saxofone Alto, Saxofone Tenor Palco & Tela, Balada, Smooth Jazz, Musical ou Espetáculo, Broadway
Open Up Your Eyes Chris Daughtry, Bruce Peterson, Jeremy Camp, Eugene Vasconi, Ben Moody, David Hodges Piano, Guitarra, Guitarra elétrica Alternativa Adulta, Folclore, Rock, Hard Rock, Pop
Operation Harmony Randy Newman Piano, Guitarra Pop Rock, Easy Listening, Palco & Tela, Ópera, Trilha sonora
O.P.P Alphonso James Mizell, Freddie Perren, Keir Gist, Anthony Criss, Alphonso Mizell, Dennis Lussier Piano, Guitarra, Guitarra elétrica Dança, Folclore, Hip-Hop Antigo Estilo, Pop, Hip Hop da Costa Leste
