Once Bitten Twice Shy Ian Hunter, Great White Gitarre, Klavier, E-Gitarre Hard Rock, Jazz, Boogie Woogie, Blues, Pop Rock
Once in Royal David's City in a lyrical jazz style Martin Tucker, Henry Gauntlett Klavier Jazz, Evangelium
One Day At A Time Joseph Jonas, Jonas Brothers, Daniel O'Donnell, Jeremy Camp, Kevin Jonas II, Nancy Barry Klavier, Gitarre, E-Gitarre, Ukulele Blues, Country, Easy Listening, Teen Pop, Bühne & Leinwand
One More Time Gregory Aldae Hein, Joe Strummer, Mark Hoppus, Andrew Maxwell Goldstein, Ed Hill, Laura Pausini Gitarre, Klavier, Schlagzeug, Sopran-Saxophon, E-Gitarre Alternative Pop/Rock, Volksmusik, Pop, Broadway, Blues
One Room Country Shack Mercy Walton, Mose Allison Klavier Boogie Woogie, Blues, Klavierjazz, Jazz, Jazz Blues
Old MacDonald Roger Emerson, David Angerman, Joseph M. Martin, Cathy Elliott, Kevin Love, Mark Hayes Flöte, Trompete, Tenorsaxophon, Tenor, Klavier, Gitarre Country, Klassisch, Jazz, Kinder, Volksmusik
On Green Dolphin Street Bronislau Kaper, Paris Rutherford, Bill LaFleur, Frank Mantooth, George Shearing, Miles Davis Posaune, Trompete, Bratsche, Tenorsaxophon, Altsaxophon, Flöte Jazz, Blues, Swing, Balladen, Latein
Only Child Rupert Gregson-Williams, Bill Evans Klavier, Gitarre Bühne & Leinwand, New Age, Blues, Jazz
