Only Thing I Ever Get for Christmas Christopher Stewart, Tricky Stewart, Aaron Pearce, Tim Miner, Justin Bieber Piano Teen Pop, Pop
On The Line Nick Jonas, Joseph Jonas, Kevin Jonas II, Christopher Norton, Demi Lovato, Nicholas Jonas Piano, Guitar, Electric guitar Pop, Folk, Classical, Pop Rock, Dance-pop
Oops! I Did It Again Max Martin, Florian Wagner, Britney Spears, Martin Sandberg, Rami Yacoub Piano, Guitar, Flute, Clarinet, Violin, Alto Saxophone Teen Pop, Dance, Pop, Folk
Oops Harry Warren, Jacob Luttrell, Missy Elliott, Charlie Puth, Johnny Mercer, Steps Ahead Piano, Guitar, Keyboard Pop, Easy Listening, Folk, Rock, Teen Pop
Olive And An Arrow Nicholas Jonas, Nick Jonas, Elvis Presley Guitar, Electric guitar, Piano Teen Pop, Pop, Folk, Pop Rock
Our Year Hanna Jones, Jack Kugell, Jack David Kugell, Matt Wong Piano Teen Pop, Soundtrack, Folk, Pop, Musical
Our Time Is Here Jonas Brothers, Antonina Armato, Tim James, Demi Lovato Guitar, Piano Children, Pop, Musical, Pop Rock, Soundtrack
Out Of My Heart Christian Burns, BBMak, Anthony Griffiths, Mark Barry, Stephen McNally, Mark Berry Guitar, Piano, Ukulele Boy Band, Teen Pop, Folk, Pop, Rock
August 31 - Out of the Woods Robert Moody, Jack Antonoff, Alan Billingsley, Jack Michael Antonoff, Nickel Creek, Taylor Swift Piano, Ukulele, Guitar, Electric guitar, Tenor Saxophone, Tenor Stage & Screen, Dance-pop, Teen Pop, New Age, Folk
Out Of Town Girl Liam Horne, Graham Edwards, Lamar Stovall, Justin Bieber, Kenneth Coby Piano, Guitar Teen Pop, Dance-pop, Pop, Folk, Pop Rock
Out Of The Old Jordan Powers, Josh Cumbee, Olivia Rodrigo Piano, Guitar Soundtrack, Teen Pop, Stage & Screen, Musical, Pop
Over It Ruth-Anne Cunningham, Billy Steinberg, Katharine McPhee, Josh Alexander, Tori Amos Piano, Guitar Folk, alternative, Pop, Rock, Rhythm & Blues
Overboard Justin Bieber, Dapo Torimiro, Oladapo Torimiro, Ingrid Michaelson, Taurian Shropshire, Waynne Nugent Guitar, Piano Pop, Rock, Contemporary R&B, alternative, Dance-pop
Overload Cameron McVey, Felix Howard, Keisha Buchanan, John Legend, Paul Simm, Siobhan Donaghy Piano, Guitar, Electric guitar Teen Pop, Rhythm & Blues, Folk, Dance-pop, Soul
Overprotected Rami Yacoub, Britney Spears, Max Martin Piano, Guitar, Electric guitar Folk, Teen Pop, Dance, Pop, Dance-pop
Over Again One Direction, Alexander Gowers, Ed Sheeran, Robert Conlon Guitar, Piano Pop, Folk, Teen Pop, Pop Rock, Dance-pop
Particular Taste Ryan Tedder, Shawn Mendes, Zach Skelton Piano, Guitar, Electric guitar Pop Rock, Pop, Teen Pop
Part Of Me Dr. Luke, Aaron Mason, Roger Emerson, Bonnie McKee, Max Martin, Justin Paul Piano, Guitar, Bass, Tenor, Soprano, Viola Pop Rock, Stage & Screen, Dance-pop, Musical, Folk
Party In The U.S.A Anna Kendrick, Deke Sharon, Miley Cyrus, Dr. Luke, Roger Emerson, Claude Kelly Bass Drum, Bass guitar, Double Bass, Clarinet, Guitar, Electric guitar Broadway, Musical, Country, Disc, Teen Pop
Patience Eddie Murphy, Patrick Doyle, Guns N' Roses, George Michael, Mark Owen, Gary Barlow Guitar, Piano, Ukulele, Flute, Alto Saxophone, Mandolin Pop Rock, Dance-pop, Teen Pop, Ballad, Pop
