Oh Susanna Glenda E. Franklin, John Leavitt, Abdul Adhl Azeez, Daniel Scott, Ester Alessandrini, Daniel Giovanni Violino, Acordeão, Piano, Guitarra, Teclado, Oboé Country, Canção Popular Americana, Romântico, Infantil, Pop
Old Blue Jeans Michael Bradford, Hannah Montana, Pam Sheyne, Miley Cyrus, Pamela Sheyne Guitarra, Piano, Guitarra elétrica Folclore, Pop Rock, Palco & Tela, Teen Pop, Pop
Old Deuteronomy Andrew Lloyd Webber, Phillip Keveren, Robbie Fairchild, T.S. Eliot Piano, Guitarra, Órgão, Teclado eletrônico Rock, Trilha sonora, Broadway, Palco & Tela, Musical
O Grande Amor Rupert Austin, Antonio Carlos Jobim, Vinicius De Moraes Piano, Guitarra, Violoncelo Bossa Nova, Broadway, Jazz Latino, Palco & Tela, Folclore Mundo e País
Oh Bess, Oh Where's My Bess Ira Gershwin, Dorothy Heyward, Du Bose Heyward, George Gershwin Piano, Guitarra Blues, Palco & Tela, Jazz
I Am a Pirate King 'Oh better far to live and die' Arthur Sullivan, Sir Arthur Seymour Sullivan Piano, Guitarra Ópera, Palco & Tela
Oh Is There Not One Maiden Breast gilbert, William S. Gilbert, Arthur S. Sullivan, Richard Walters, Sir Arthur Seymour Sullivan, Sir Arthur Sullivan Piano, Tenor Ópera, Broadway, Musical, Palco & Tela
Oh Kay! Howard Dietz, George Gershwin, Tsuyoshi Yoroiguma, Ira Gershwin Piano, Guitarra Jazz, Palco & Tela
O Holy Art, Aria for Soprano with Orchestra Accompaniment, James Nathaniel Holland Piano Palco & Tela, Clássica, Ópera
O Holy Night Adolphe Adams, Harry Connick Jr., Adrian Jordan, Craig Starrett, David Lanz, Carolyn C. Setliff Piano, Trompete, Clarinete, Viola, Oboé, Flauta Cristão contemporâneo, Jazz, Gospel, Clássica, Blues
Oh What A Beautiful Morning Richard Rodgers, Marc Nelkin, Deke Sharon, Marwenna Diame Baixo, Viola, Soprano, Tenor, Piano, Guitarra Palco & Tela, Jazz, Broadway
Oh What A Circus David Essex, Tim Rice, Andrew Lloyd Webber Piano, Guitarra Palco & Tela, Broadway, Musical, Trilha sonora
