O Trem Azul Ronaldo Bastos, Bruno Malaguti, Salomao Borges Filho, Daniel Silveira Klavier Jazz, Pop, Folk Welt und Land, Latein
ORDINARY MAN Billy Walsh, Ozzy Osbourne, Elton John, Duff McKagan, Chad Smith, Andrew Watt Klavier, Gitarre, E-Gitarre Punk, Piano Rock, Rock, Britischer Metal, Pop Rock
Ordinary Miracle Dave Stewart, Doug Abbott, CAROLE PRIETTO, Rick Hein, Glen Ballard, Sarah McLachlan Klavier, Flöte, Gitarre, Altsaxophon, Klarinette Bühne & Leinwand, Kinder, Musical, Pop, Soundtrack
Orinoco Flow Nicky Ryan, Celtic Woman, Sarah Cellobat Chaffee, Roma Ryan, Kirby Shaw Ukulele, Klavier, Gitarre, Sopran, Bratsche, Cello Celtic, Pop, Folk Welt und Land, Easy Listening, Bühne & Leinwand
Orphans Chris Martin, Guy Berryman, William Champion, Jeff Danna, Douglas Becker, Coldplay Klavier, Gitarre, Ukulele, Bassgitarre, E-Gitarre Rock, Alternative Pop/Rock, Pop, Pop Rock, Bühne & Leinwand
Our God Is In Control Steven Curtis Chapman, Mary Beth Chapman Klavier, Gitarre Evangelium, Pop, Volksmusik, Country-Gospel
Our God Reigns Martin Smith, Leonard Smith, Stewart Smith, John Thatcher, Michael W. Smith, Jon Thatcher Klavier, Gitarre Pop, Evangelium, Zeitgenössische Christen, Pop Rock, Rock
Our Love Don't Throw It All Away Antonieta Ramos Valverde, Barbra Streisand, Blue Weaver, Barry Gibb Klavier, Gitarre Erwachsene Contemporary-Musik, Pop, Soft Rock
Our Love Is Easy Jesse Harris, Melody Gardot Gitarre, Klavier Rock, Pop Rock, Pop, Erwachsene Alternative, Zeitgenössischer Jazz
Our Love Will Last E. V. Martinez Tenorsaxophon, Tenor, Baritonsaxophon, Altsaxophon, Bariton, Bratsche Bühne & Leinwand, Pop
Our Time Now Mia Post, Tom Higgenson, Plain White T's, Mike Daly Gitarre, Klavier Emo, Folk Rock, Pop, Punk, Punk-Pop
Our World Lin Marsh, Hollin Ying Glocke, Violine, Klavier, Gitarre Folk Welt und Land, Kinder, Klassisch, Pop
Out Here On My Own Lesley Gore, Fiona Hickie, Irene Cara, Mac Huff, Mariann Cook, The Kids From Fame Klavier, Orgel, Gitarre, Tenorsaxophon, Bass, Tenor Pop Rock, Soundtrack, Ballade, Musical, Volksmusik
Opus One Sig Garris, Tommy Dorsey, Sy Oliver, Luis Cardoso, Brent Edstrom, Sid Garris Posaune, Klarinette, Altsaxophon, Orgel, Flöte, Klavier Big Band, Swing, Jazz, Pop, Volksmusik
