Oops Harry Warren, Jacob Luttrell, Missy Elliott, Charlie Puth, Johnny Mercer, Steps Ahead Gitarre, Klavier, Keyboard Pop, Punk, Rock, Rhythm & Blues, Easy Listening
Oops! I Did It Again Max Martin, Florian Wagner, Britney Spears, Martin Sandberg, Rami Yacoub Klavier, Gitarre, Klarinette, Flöte, Violine, Trompete Teen Pop, Pop, Volksmusik, Tanz
One Man Show Joseph Jonas, Nicholas Jonas, Kevin Jonas II, Jonas Brothers, Joe Jonas, Nick Jonas E-Gitarre, Gitarre, Klavier Teen Pop, Pop, Pop Rock
Only Thing I Ever Get for Christmas Christopher Stewart, Tricky Stewart, Aaron Pearce, Tim Miner, Justin Bieber Klavier Teen Pop, Pop
On The Line Nick Jonas, Joseph Jonas, Kevin Jonas II, Christopher Norton, Demi Lovato, Nicholas Jonas Klavier, E-Gitarre, Gitarre Klassisch, Dance-Pop, Pop Rock, Volksmusik, Teen Pop
August 31 - Out of the Woods Robert Moody, Jack Antonoff, Alan Billingsley, Jack Michael Antonoff, Nickel Creek, Taylor Swift Ukulele, Klavier, Gitarre, Tenor, Tenorsaxophon, E-Gitarre New Age, Bühne & Leinwand, Country Pop, Pop Rock, Pop
Out Of Town Girl Liam Horne, Graham Edwards, Lamar Stovall, Justin Bieber, Kenneth Coby Klavier, Gitarre Pop, Teen Pop, Dance-Pop, Volksmusik, Pop Rock
Our Year Hanna Jones, Jack Kugell, Jack David Kugell, Matt Wong Klavier Pop, Bühne & Leinwand, Musical, Kinder, Volksmusik
Overprotected Rami Yacoub, Britney Spears, Max Martin Klavier, Gitarre, E-Gitarre Tanz, Pop, Dance-Pop, Volksmusik, Teen Pop
Out Of The Old Jordan Powers, Josh Cumbee, Olivia Rodrigo Klavier, Gitarre Pop, Musical, Soundtrack, Bühne & Leinwand, Teen Pop
Overboard Justin Bieber, Dapo Torimiro, Oladapo Torimiro, Ingrid Michaelson, Taurian Shropshire, Waynne Nugent Gitarre, Klavier Dance-Pop, Volksmusik, Pop Rock, Pop, Alternative
Over The Wall Gregory Carl Christian, Eric Peterson, Steven Souza, Alex Skolnick, Debbie Gibson, Deborah Gibson Gitarre, Klavier Metall, Volksmusik, Rock, Dance-Pop, Pop Rock
Overload Cameron McVey, Felix Howard, Keisha Buchanan, John Legend, Paul Simm, Siobhan Donaghy Gitarre, Klavier, E-Gitarre Dance-Pop, Pop, Teen Pop, Rhythm & Blues, Pop Rock
Our Time Is Here Jonas Brothers, Antonina Armato, Tim James, Demi Lovato Gitarre, Klavier Pop Rock, Kinder, Soundtrack, Volksmusik, Bühne & Leinwand
Over Again One Direction, Alexander Gowers, Ed Sheeran, Robert Conlon Gitarre, Klavier Pop, Teen Pop, Dance-Pop, Pop Rock, Volksmusik
Paranoid Jesse Vest, Geezer Butler, Avenged Sevenfold, Terence 'Geezer' Butler, Anthony Iommi, John Fields Tenor, Sopran-Saxophon, Bratsche, Sopran, Bariton, Baritonsaxophon Pop, Teen Pop, Hard Rock, Pop Rock, Metall
Out of My Heart Christian Burns, BBMak, Anthony Griffiths, Mark Barry, Stephen McNally, Mark Berry Gitarre, Klavier, Ukulele Alternative Pop/Rock, Pop Rock, Rock, Pop, Boy Band
Particular Taste Ryan Tedder, Shawn Mendes, Zach Skelton Klavier, Gitarre, E-Gitarre Pop Rock, Teen Pop, Pop
Part Of Me Dr. Luke, Aaron Mason, Roger Emerson, Bonnie McKee, Max Martin, Justin Paul Gitarre, Klavier, Bass, Bratsche, Sopran, Tenor Dance-Pop, Rock, Musical, Pop, Broadway
Over It Ruth-Anne Cunningham, Billy Steinberg, Katharine McPhee, Josh Alexander, Tori Amos Klavier, Gitarre Rock, Pop Rock, Alternative, Teen Pop, Pop
