Open Your Heart Andreas Carlsson, Georges Bizet, Daniel Brewbaker, Gardner Cole, Jill Johnson, Dean Pitchford Piano, Guitarra, Viola, Violoncelo, Violino, Coral da SSA Easy Listening, Folclore, Ópera, Broadway, Pop Rock
Opening Fanfare Adam Kosberg, Stefano Fabrizio Sacchi, Richard Rodgers Flauta doce, Violino, Flauta, Oboé, Piano, Orquestra Palco & Tela, Musical
Opening Up Mac Huff, Sara Bareilles Piano, Guitarra, Guitarra elétrica Musical, Pop, Rock, Folclore, Palco & Tela
Opening Emmanuel González, Hiroyuki Yanada, Craig Armstrong, Richard Strauss, Bong Joon Ho, Carter Burwell Contrabaixo, Clarinete, Violoncelo, Baixo, Harpa, Flauta Clássica, Palco & Tela, Musical
Opening Night on Broadway Michael Brown Banda, Barítono, Trompa barítono Broadway, Musical, Palco & Tela
Open The Door Richard! Dan Howell, Louis Jordan, Dusty Fletcher, John Mason, Count Basie Piano, Guitarra Musical, Jazz, Big Band, Blues Urbano, Jump Blues
Optimistic Voices Harold Arlen, Herbert Stothart Piano, Guitarra, Ukulele Musical, Palco & Tela, Musical ou Espetáculo, Trilha sonora
Ophelia Sherry Lewis, Robbie Robertson, Jeremiah Fraites, Wesley Schultz, Jeremy Fraites, The Lumineers Guitarra, Piano, Ukulele, Violino, Bateria, Flauta doce Folclore, Palco & Tela, País Alternativo, Pop/Rock Alternativo, Folk Rock
Opportunity William Gluck, Jason Robert Brown, The Music, Juan Villodre, Yeah Yeah Yeahs, Charles Strouse Piano, Guitarra, Orquestra, Guitarra elétrica Indie Pop, Rock, Pop, Musical, Infantil
Opus #17 Dustin O'Halloran, Frankie Valli, Denny Randell, Sandy Linzer, John Trie, The Four Seasons Guitarra, Piano Palco & Tela, Pop Rock, Trilha sonora, Folclore, Nova Era
Ordinary Miracle Dave Stewart, Doug Abbott, CAROLE PRIETTO, Rick Hein, Glen Ballard, Sarah McLachlan Saxofone Alto, Clarinete, Flauta, Piano, Guitarra, Refrão Pop, Palco & Tela, Pop Rock, Musical, Alternativa Adulta
Orinoco Flow Nicky Ryan, Celtic Woman, Sarah Cellobat Chaffee, Roma Ryan, Kirby Shaw Viola, Soprano, Piano, Guitarra, Ukulele, Violino Alternativa Adulta, Folclore Mundo e País, Nova Era, Pop Rock, Dia de São Patrício
Orphan Girl / Travelin' Man Chris Miller Piano, Guitarra Rock, Teatro, Musical, Pop Tradicional, Palco & Tela
Oscail An Doras Bill Whelan, John Ivor Holland Piano, Banda Folclore Mundo e País, Palco & Tela, Folclore, Musical, Broadway
O Saya Mathangi Arulpragasam, Mathangi Arulpragasm Guitarra, Piano Pop, Trilha sonora, Musical, Palco & Tela, Folclore
O Sole Mio Little Sheet Music, James Nathaniel Holland, Alfredo Mazzucchi, Editions Dao, Di Capua, Akemi Hirano Piano, Clarinete, Saxofone Alto, Tenor, Guitarra, Contrabaixo Clássica, Romântico, Dia dos Namorados, Ópera, Pop
