Oh What A Beautiful Morning F. Turnbull, Marc Nelkin, Deke Sharon, Marwenna Diame, Richard Rodgers Guitarra, Piano, Baixo, Soprano, Tenor, Viola Palco & Tela, Jazz, Broadway
Oh What A Circus Tim Rice, David Essex, Andrew Lloyd Webber Piano, Guitarra Palco & Tela, Broadway, Musical, Trilha sonora
Oklahoma Fredrick Allen, Mark Brymer, Billy Gilman, Bernie Schweickart, Oscar Hammerstein II, Eugénie Rocherolle Guitarra, Guitarra elétrica, Piano, Flauta, Violoncelo, Saxofone Alto Country Contemporâneo, Country, Pop, Broadway, Palco & Tela
Old Devil Moon Burton Lane, David Hazeltine, Chet Baker, E.Y. Harburg, Rosemary Clooney, Frank Sinatra Refrão, Baixo, Saxofone Tenor, Piano, Saxofone Barítono, Barítono Country, Folclore, Alternativa Adulta, Jazz, Palco & Tela
Old Friends Jon Buckland, Fred Sturm, Jonny Buckland, Chris Martin, Guy Berryman, John Williams Trompa barítono, Trombone baixo, Barítono, Tuba, Flugelhorn, Baixo Country, Musical, Pop Rock, Alternativa Adulta, Broadway
Nunsense, The Magic Word Dan Goggin Piano, Guitarra Broadway, Palco & Tela, Trilha sonora, Vocais Pop, Country
Oliver Lionel Bart, Norman Leyden Guitarra, Piano, Coral SAB, Refrão Broadway, Musical, Palco & Tela, Musical ou Espetáculo
Ol Man River Eugénie Rocherolle, J. Kern, Bettina Schipp, Andrea Bocelli, Elvis Presley, Oscar Hammerstein II Guitarra, Baixo, Tenor, Soprano, Viola, Violino Jazz, Palco & Tela, Rock, Country, Broadway
Omar Sharif David Yazbek, Phillip Keveren Piano, Guitarra Broadway, Musical, Soul, Rock, Palco & Tela
Omigod You Guys The Music, Doug Watts, Laurence O'Keefe, Laura Bell Bundy, Nell Benjamin Guitarra, Piano, Tenor, Baixo, Viola, Soprano Musical, Pop, Palco & Tela, Folclore, Broadway
