Opening Fanfare Adam Kosberg, Stefano Fabrizio Sacchi, Richard Rodgers Viool, Blokfluit, Fluit, Piano, Hoboï Musical, Podium & Scherm
Opening Up Mac Huff, Sara Bareilles Piano, Gitaar, Elektrische gitaar Broadway, Musical, Folk, Pop Rock, Podium & Scherm
Once We Were Kings Lee Hall, Chris Lawry, Elton John Gitaar, Piano Folk, Broadway, Rock, Musical of Show, Podium & Scherm
One Day I'll Fly Away Spence Bundy, Randy Crawford, Richard John, Joe Sample, Nicole Kidman, Will Jennings Gitaar, Piano, Fluit, Sopraan, Altsaxofoon, Tenorsaxofoon Folk, Broadway, Jazz, Podium & Scherm, Musical of Show
On The Inside Lynne Hamilton, DAVID M COMBS, Paul Brandt, Allan Caswell, Brett Jones, Gary Prim Gitaar, Piano Pop, Musical, New Age, Folk, Podium & Scherm
Opening Emmanuel González, Hiroyuki Yanada, Craig Armstrong, Richard Strauss, Bong Joon Ho, Carter Burwell Piano, Hoboï, Harp, Contrabas, Bas, Fluit Podium & Scherm, Klassiek, Musical
Oompa Loompa Doompadee-Doo - from Wonka Leslie Bricusse, Anthony Newley, Lisa Ochoco, Erica Avery Piano, Bariton, Altviool, Tenor, Bassaxofoon, Tenorsaxofoon Musical, Kinderen, Podium & Scherm, Soundtrack, Broadway
Opening Night Mac Huff, Mel Brooks, Kevin Costley Piano, Gitaar, Tenorsaxofoon, Klarinet, Fluit, Tenor Kinderen, Musical, Pop, Soundtrack, Folk
Open The Door Richard! Dan Howell, Louis Jordan, Dusty Fletcher, John Mason, Count Basie Gitaar, Piano Jazz, Jump Blues, Swing, Stedelijke Blues, Podium & Scherm
On The Sunny Side Of The Street Diego Monteiro, Frankie Laine, Dorothy Fields, Frank Sinatra, Dizzy Gillespie, Nat King Cole Piano, Gitaar, Orgel, Elektronisch keyboard, Trombone, Trompet Broadway, Easy Listening, Country, Pop, Podium & Scherm
Opus #17 Dustin O'Halloran, Frankie Valli, Denny Randell, Sandy Linzer, John Trie, The Four Seasons Piano, Gitaar Podium & Scherm, Pop, Adult Contemporary, New Age, Klassiek
Orphan Girl / Travelin' Man Chris Miller Piano, Gitaar Pop, Traditionele Pop, Podium & Scherm, Rock, Musical
Oscail an Doras Bill Whelan, John Ivor Holland Piano Musical, Folk, Folk Wereld en Land, Broadway, Podium & Scherm
One Track Mind Eric Clapton, Craig Carnelia, The Knickerbockers, Marvin Hamlisch, Keith Colley, Kevin Colley Piano, Gitaar, Elektrische gitaar Adult Contemporary, Broadway, Jazz, Musical, Folk
Optimistic Voices Harold Arlen, Herbert Stothart Ukelele, Gitaar, Piano Musical of Show, Podium & Scherm, Soundtrack, Musical
Our Children Charles Strouse, Marin Mazzie, Stephen Flaherty, Lynn Ahrens, Paul Cardall Piano, Gitaar Evangelie, Broadway, Podium & Scherm, Musical
