Oath Rebbeca Gomez, Cher Lloyd, Becky G, Ammar Malik, Lukasz Gottwald, Dan Omelio Piano, Guitarra Folclore, Dance-pop, Pop, Pop Rock, Teen Pop
No Strings Attached Bradley Daymond, Brad Daymond, Jc Chasez, Alex Greggs Piano, Guitarra Teen Pop, Pop
Not Like The Movies Katy Perry, Greg Wells Guitarra, Piano Dance-pop, Teen Pop, Palco & Tela, Rock, Infantil
Obvious Benj Pasek, Travis Barker, Ariana Grande, Andreas Carlsson, Carl Falk, Travis Landon Barker Piano, Guitarra, Trompete, Saxofone Tenor, Tenor, Clarinete Soul, Clube/Dança, Eletrônico, Musical, Pop Rock
Oh Cecilia Amund Bjorklund, Amund Bjoerklund, Bradley Simpson, Tristan Evans, Keinan Abdi Warsame, James McVey Guitarra, Piano, Guitarra elétrica Pop, Folclore, Pop/Rock Alternativo, Folk Rock, Pop Rock
Oh No What You Got Timothy Mosley, Justin Timberlake, Timothy Z. Mosley Guitarra, Piano Teen Pop, Dance-pop, Pop, Adulto Contemporâneo
Old Blue Jeans Michael Bradford, Hannah Montana, Pam Sheyne, Miley Cyrus, Pamela Sheyne Guitarra, Piano, Guitarra elétrica Folclore, Pop Rock, Palco & Tela, Teen Pop, Pop
Olivia John Henry Ryan, Greg Mallett, Julian Bunetta, Christian Blaha, Harry Styles, Julian C Bunetta Piano, Guitarra Teen Pop, Folclore, Pop
Off The Chain Devrim Karaoglu, Selena Gomez, Antonina Armato, Timothy Price, The Scene Piano, Guitarra, Guitarra elétrica Folclore, Teen Pop, Pop
Oh Aaron Brian Kierulf, Andy Goldmark, Joshua Schwartz, Aaron Carter Piano, Guitarra Teen Pop, Pop, Dance-pop, Hip Hop
One Direction One Direction, Carl Falk, Rami Yacoub, Savan Kotecha, Albin Nedler, Kristoffer Fogelmark Piano, Violino Teen Pop, Dance-pop, Palco & Tela, Pop Rock, Pop
Olive And An Arrow Nicholas Jonas, Nick Jonas, Elvis Presley Piano, Guitarra, Guitarra elétrica Pop, Pop Rock, Folclore, Teen Pop
One Of The Boys Dolly Parton, John Kander, Fred Ebb, Katy Perry Guitarra, Piano Broadway, Folclore, Pop, Palco & Tela, Teen Pop
One Day At A Time Joseph Jonas, Jonas Brothers, Daniel O'Donnell, Jeremy Camp, Kevin Jonas II, Nancy Barry Piano, Guitarra, Guitarra elétrica, Ukulele Gospel, Blues, Easy Listening, Cristão contemporâneo, Rock
One Shot Kenneth Karlin, Carl Raven, Alan Silvestri, Michael Warren, Sam Fettig, Sean Hurley Guitarra, Piano, Viola, Saxofone Alto, Saxofone Rhythm & Blues, Eletrônico, Palco & Tela, Easy Listening, Pop Rock
One Step At A Time Mich Hansen, Allison Taylor, Robert Nevil, American Idol, Jordin Sparks, Jonas Jeberg Piano, Guitarra, Guitarra elétrica Folclore, Pop, Rhythm & Blues, Dance-pop, Teen Pop
One Time James Bunton, Corron Cole, Corron Ty Kee Cole, Christopher Tricky Stewart, Justin Bieber, Tricky Stewart Piano, Guitarra, Guitarra elétrica, Ukulele Pop, R&B Contemporâneo, Folclore, Dance-pop, Pop Rock
One Thing One Direction, Savan Cotecha, Daryl McKenzie, Dylan Thomas, Alicia Keys, Rami Yacoub Piano, Guitarra, Teclado eletrônico, Órgão, Trompete, Guitarra elétrica Cristão contemporâneo, Metal, Pop, Dance-pop, Folclore
One Less Lonely Girl Balewa Muhammad, Bale'wa Muhammed, Ezekiel Lewis, Hyuk Shin, Justin Bieber, Sean Hamilton Piano, Guitarra, Ukulele Rhythm & Blues, R&B Contemporâneo, Dance-pop, Teen Pop, Pop
