One Day Gary Moore, Andy Miller, Beverly Darnall, Beth Redman, Marilyn Bergman, Alan Bergman Soprano, Guitar, Piano, Bass guitar, Viola, Tenor Adult Alternative, Ballad, alternative, Musical, Contemporary R&B
One Hundred Ways James Ingram, Kathleen Wakefield, Anthony Coleman, Benjamin Wright, David Sanborn, Paul Langford Guitar, Piano Jazz, Rhythm & Blues, Soul, Pop, Folk
One Last Cry Brandon Barnes, Melanie Barnes, Ryan Aimel J. Estandarte, Naldy Rodriguez, Brian McKnight Guitar, Piano Adult Contemporary, Quiet Storm, Soul, Contemporary R&B, Rhythm & Blues
One Less Lonely Girl Balewa Muhammad, Bale'wa Muhammed, Ezekiel Lewis, Hyuk Shin, Justin Bieber, Sean Hamilton Guitar, Ukulele, Piano Teen Pop, Dance-pop, Rhythm & Blues, Pop, Contemporary R&B
One Wish Fred Jerkins III, LaShawn Daniels, Rodney Jerkins, Ray J, Raymond Norwood Piano, Guitar, Electric guitar Folk, Pop, Rhythm & Blues, Contemporary R&B, Hip Hop
One Woman Man Tobias Gad, John Legend, John Stephens Piano, Guitar, Electric guitar Pop, Folk, Soul, Stage & Screen, Contemporary R&B
On The Low Katsumi WF, Burna Boy, Kelvin Peters, Piriye Isokrari, Brendan Ross, Damini Ogulu Saxophone, Viola, Alto Saxophone Pop, Rhythm & Blues, Soul, Folk World & Country, Contemporary R&B
On The Wings Of Love Jeffrey Osborne, Peter Schless Piano, Guitar, Ukulele, Organ, Electronic keyboard, Electric guitar Rock, Ballad, Folk, Pop, Rhythm & Blues
Ordinary Life Max Martin, Henry Walter, Abel Tesfaye, Jon Neufeld, The Weeknd, Anders Svensson Piano, Guitar, Electric guitar Contemporary R&B, Funk / Soul, Gospel, Contemporary Christian, Folk
An Army of Ordinary People Dave Bilbrough, Will Adams, John Stephens, Danniebelle Hall, John Legend, Tehillah Alphonso Guitar, Piano, Electric guitar Valentine's Day, Ballad, Neo Soul, Contemporary Christian, Jazz
Our First Time Brian Wiggins, Ari Levine, Bruno Mars, Christopher Steven Brown, Dwayne Chin-Quee, Eric Hernandez Piano, Guitar Children, Contemporary R&B, Funk / Soul, Pop, Folk
Over Now Dylan Wiggins, Adam Feeney, Jerry Cantrell, James Bourne, Abel Tesfaye, Calvin Harris Guitar, Electric guitar, Piano Folk World & Country, Pop, Neo Soul, Electropop, Contemporary R&B
Out of My Head Priese Printz Board, Keith Harris, Allan Pineda, Printz Board, John Newman, Puddle Of Mudd Guitar, Piano Pop, Folk, Rhythm & Blues, Contemporary R&B, Rock
Overboard Justin Bieber, Dapo Torimiro, Oladapo Torimiro, Ingrid Michaelson, Taurian Shropshire, Waynne Nugent Guitar, Piano Pop, Rock, Contemporary R&B, alternative, Dance-pop
Overtime Christopher Brown, David Henzie-Skogen, Martin Aiono, Timothy Thomas, Nat McIntosh, Sam Sumser Bass Drum, Alto Saxophone, Snare Drum, Trumpet, Tenor Saxophone, Tuba Hip Hop, Funk, Soul, Contemporary R&B, Rhythm & Blues
Paris in the Rain Michael Pollack, Ari Leff, Misha Stefanuk, Michael Matosic Piano Gospel, Electronic, Folk World & Country, Hip Hop, Contemporary R&B
Owe It All Dammo Farmer, Aloe Blacc, Harold Lilly Jr. Guitar, Piano Rock, Folk, Contemporary R&B, Pop, Rhythm & Blues
Paris On A Sunny Day Prince Royce, Geoffrey Royce Rojas, Ely Weisfeld, Robin Tadross, John Tweed, Taylor Monet Parks Piano Electronic, Pop, Contemporary R&B
Party Monster Edwin Mclean, Benjamin Diehl, Ahmad Balshe, Benjmain Diehl, The Weeknd, Abel Tesfaye Piano, Guitar Indie R&B, Folk, Contemporary R&B, Neo Soul, Pop
