On The Floor Achraf Janussi, Bilal Hajji, Ulises Hermosa, Kinnda Hamid, Gonzalo Hermosa, Jennifer Lopez Gitarre, Klavier Volksmusik, Hip Hop, Pop Rock, Erwachsene Contemporary-Musik, Dance-Pop
Ooh Jason Sellards, Derek Gruen, Jamison Mechalie, Mary J, Scissor Sisters, Sean Combs Klavier, Gitarre, E-Gitarre Pop, Alternativer Tanz, Disc, Dance-Pop, Volksmusik
Ooh Ooh Baby Kara DioGuardi, Eric Coomes, Britney Spears, Fred Nassar Klavier, Gitarre, E-Gitarre Dance-Pop, Pop Rock, Tanz, Pop, Volksmusik
Open Your Heart Andreas Carlsson, Georges Bizet, Daniel Brewbaker, Gardner Cole, Jill Johnson, Dean Pitchford Klavier, Gitarre, E-Gitarre, Cello, Violine, Bratsche Ballade, Club/Tanz, Dance-Pop, Romantisch, Latein
Opposites Attract George Hutchinson, Billie Myers, Oliver Leiber, Paula Abdul Klavier, E-Gitarre, Gitarre Erwachsene Contemporary-Musik, Club/Tanz, Dance-Pop, Pop, Rock
Orange Trees Erik Persson Hassle, Jakob Jerlström, Oscar Goerres, Marina Diamandis, Erik Hassle Gitarre, Klavier Elektronisch, Pop, Volksmusik, Dance-Pop
Ordinary World Billie Joe Armstrong, Simon Le Bon, John Taylor, Duran Duran, Green Day, Simon LeBon Klavier, Gitarre, E-Gitarre Pop, Punk, Dance-Pop, Pop Rock, Rock
Original Of The Species Klavier, Gitarre, E-Gitarre Pop, Dance-Pop, Erwachsene Alternative, Pop Rock, Alternative Pop/Rock
Origin Of Love Nicholas Littlemore, Mika, Paul Steele Klavier, Gitarre Pop, Dance-Pop, Pop Rock, Tanz, Volksmusik
Original Sin Andrew Charles Farriss, Elton John, Andrew Farriss, Michael Hutchence, Bill Bruford, Michael Kelland John Hutchence Klavier, Gitarre, Kontrabass, Sopran-Saxophon, E-Gitarre Neue Welle, Dance-Pop, Volksmusik, Jazz, College Rock
Our Own House Amanda Lee Duffy, Mandy Lee Duffy, Nicholas Wright, Martin Terefe, Shawn Salley Klavier Dance-Pop, Alternativer Tanz, Pop, Indie Pop
One Kiss Dove Cameron, Calvin Harris, Adam Wiles, Jessica Reyes, Nathaniel Shilkret, Jessie Reyez Gitarre, Klavier, Ukulele, E-Gitarre, Mittlere Stimme Klassisch, Haus, Jazz, Club/Tanz, Easy Listening
One Man One Woman Benny Andersson, Bjorn Ulvaeus Gitarre, Klavier Volksmusik, Pop Rock, Europop, Dance-Pop, Pop
Our Last Summer Benny Andersson, Bjorn Ulvaeus, Bee Clark, ABBA Gitarre, Klavier, Orgel, Elektronische Tastatur, E-Gitarre Europop, Pop Rock, Bühne & Leinwand, Musical, Dance-Pop
Out Of Touch John Oates, Daryl Hall, hall Gitarre, E-Gitarre, Klavier Dance-Pop, Pop, Erwachsene Contemporary-Musik, Blauäugige Seele, Soft Rock
August 31 - Out of the Woods Robert Moody, Jack Antonoff, Alan Billingsley, Jack Michael Antonoff, Nickel Creek, Taylor Swift Klavier, Gitarre, Ukulele, Klarinette, Trompete, Tenor New Age, Bühne & Leinwand, Country Pop, Pop Rock, Pop
Out Of Town Girl Liam Horne, Graham Edwards, Lamar Stovall, Justin Bieber, Kenneth Coby Gitarre, Klavier Pop, Teen Pop, Dance-Pop, Volksmusik, Pop Rock
Outside Adam Wiles, Dave Grohl, Ellie Goulding, Calvin Harris, Nate Mendel, Aaron Lewis Klavier, Gitarre, Flöte, Cello, Oboe, Violine Club/Tanz, Dance-Pop, Funk, Rhythm & Blues, Volksmusik
Out Of My League Noelle Scaggs, John Meredith Wicks, James King, Michael Fitzpatrick, fitz, John Wicks Klavier, Gitarre Pop, Volksmusik, Alternative Pop/Rock, Dance-Pop, Indie Pop
Out Of Reach Dream Theater, John Petrucci, Jonathan Shorten, Elizabeth Ragsdale, Michael Mangini, Gabrielle Klavier, Gitarre, Flöte, Violine, Altsaxophon, Klarinette Club/Tanz, Rock, Punk, Elektronisch, Volksmusik
