Open the Door for Three Traditional Fiddle Tunes, Heather M Music Bassgitarre, Violine, Klavier, Bass Folk Welt und Land, Volksmusik
I Exalt Thee / Open the Eyes of My Heart Mark Hayes, Larry Shackley, Deborah Brady, Ken Medema, Stephen DeCesare, Paul Baloche Gitarre, Klavier, Violine, Flöte, Cello, Ukulele Pop Rock, Evangelium, Bühne & Leinwand, Rock, Pop
Open Up Your Door Julie Doubleday, Richard Hawley Klavier, Gitarre, E-Gitarre, Violine, Bratsche, Cello Pop, Volksmusik, Alternative, Rock
Original Sin Andrew Charles Farriss, Elton John, Andrew Farriss, Michael Hutchence, Bill Bruford, Michael Kelland John Hutchence Gitarre, E-Gitarre, Klavier, Kontrabass, Sopran-Saxophon Neue Welle, Dance-Pop, Volksmusik, Jazz, College Rock
Orion Cliff Burton, Metallica, James Hetfield, Gabriela Quintero Lopez, Lars Ulrich, Rodrigo y Gabriela Gitarre, E-Gitarre Hard Rock, Metall, Flamenco, Pop Rock, Folk Welt und Land
Oscail an Doras Bill Whelan, John Ivor Holland Klavier Folk Welt und Land, Broadway, Volksmusik, Musical, Bühne & Leinwand
One Toy Soldier Nicky Ryan, Forevergreens Music, Roma Ryan Gitarre, Klavier Celtic, Erwachsene Contemporary-Musik, New Age, St. Patrick's Day, Ethnische Verschmelzung
One Track Mind Eric Clapton, Craig Carnelia, The Knickerbockers, Marvin Hamlisch, Keith Colley, Kevin Colley Klavier, Gitarre, E-Gitarre Blues Rock, Blues, Pop, Musical, Bühne & Leinwand
One Vision Brian May, Freddie Mercury, John Deacon, Philip Lawson, Roger Taylor, Queen Klavier, Gitarre, Bass, E-Gitarre, Schlagzeug Album Rock, Rock, Art-Rock/Progressive, Progressive Rock, Glam Rock
Only A God Like You Tommy Walker, Heather Sorenson Gitarre, Klavier, Violine, Flöte, Cello Zeitgenössische Christen, Easy Listening, Evangelium, Bühne & Leinwand, Pop
Only God Can Help Me Now Michael McDonald Klavier, Gitarre, E-Gitarre Blauäugige Seele, Rhythm & Blues, Soft Rock, Pop, Volksmusik
Only Happy When It Rains Garrett Breeze, Butch Vig, Garbage, Nacio Herb Brown, Shirley Ann Manson, Doug Erickson Klavier, Gitarre, E-Gitarre Pop, Alternative Pop/Rock, Alternativer Tanz, Volksmusik, Alternative Rock
Oran na Maighdinn Mhara Tiffany Schaefer, Eve McTelenn, Julia Gordon Akkordeon, Harfe Volksmusik, St. Patrick's Day, Celtic
Oriental Billy Mayerl, Joshua Choe, Timofei Dokshitser, Enrique Granados, Cesar Antonovich Cui, Isaac Albeniz Klavier, Tenor, Saxophon, Tenorsaxophon, Gitarre Romantisch, Klassisch, Volksmusik
