One Touch Janée Bennett, Nicole C, Jess Glynne, Mark Ralph, Timucin Lam Kwong Wah, Nicole C. Mullen Piano, Guitar Gospel, Pop, Dance, Folk
Ooh La La Lola Blanc, Alison Goldfrapp, Dr. Luke, Bonnie McKee, Ronnie Lane, William Gregory Guitar, Piano, Ukulele Pop, Rock, Dance, Folk
One By One Wayne Shorter, Art Blakey, Enya, Ellen Allard, Nicky Ryan, Kitty Wells Piano, Guitar, Electric guitar Adult Alternative, Folk, Metal, Dance, Easy Listening
Operation Harmony Randy Newman Piano, Guitar Soundtrack, Dance, Easy Listening, Pop Rock, Stage & Screen
O.P.P Alphonso James Mizell, Freddie Perren, Keir Gist, Anthony Criss, Alphonso Mizell, Dennis Lussier Guitar, Piano, Electric guitar Hip Hop, Stage & Screen, Old School Hip-Hop, Folk, Dance
Opportunities Jeff Tincher, Chris Lowe, Pet Shop Boys, Neil Tennant Piano, Guitar, Trumpet, Trombone, Tuba Dance, Electronic, Pop, Folk
Ooh Ooh Baby Kara DioGuardi, Eric Coomes, Britney Spears, Fred Nassar Piano, Guitar, Electric guitar Dance-pop, Folk, Dance, Pop, Pop Rock
Oops! I Did It Again Max Martin, Florian Wagner, Britney Spears, Martin Sandberg, Rami Yacoub Piano, Guitar, Trumpet, Alto Saxophone, Clarinet, Flute Teen Pop, Dance, Pop, Folk
Origin Of Love Nicholas Littlemore, Mika, Paul Steele Guitar, Piano Dance-pop, Dance, Pop, Folk, Pop Rock
Overprotected Rami Yacoub, Britney Spears, Max Martin Guitar, Piano, Electric guitar Folk, Teen Pop, Dance, Pop, Dance-pop
Outside Adam Wiles, Dave Grohl, Ellie Goulding, Calvin Harris, Nate Mendel, Aaron Lewis Piano, Cello, Oboe, Flute, Violin, Guitar Funk, Club/Dance, Synth-pop, Dance-pop, Rock
Our Last Summer Benny Andersson, Bjorn Ulvaeus, Bee Clark, ABBA Guitar, Piano, Electric guitar, Electronic keyboard, Organ Broadway, Dance, Musical, Folk, Europop
Outtake Kristen Anderson-Lopez, Robert Lopez, Kristen Bell Guitar, Piano Easy Listening, Dance, Stage & Screen
Over My Shoulder Jimmy Davis, Hans Kaldeway, Hosea Woods, Elke Whelan, Lee Blastic, Mika Piano, Guitar, Electric guitar Dance, Folk, Pop Rock, Classical, Alternative Pop/Rock
Paid My Dues Katherine Bodor, Greg Lawson, Damon Sharpe, Gregory Lawson, LaMenga Kafi Piano, Guitar, Electric guitar Dance, Rhythm & Blues, Europop, Folk, Eurodance
Panic Johnny Marr, Backstreet Boys, Alexander McLean, Howard Dorough, Billy Mann, Nick Carter Piano, Guitar, Percussion, Ukulele, Drums, Bass guitar alternative, Pop, Dance, Pop Rock, Dance-pop
Papercut Charles Bennington, Anton Zaslavski, Jason Evigan, Brad Delson, André Laitano, Linkin Park Piano, Guitar, Bass, Double Bass, Drums Dance-pop, Folk, Pop Rock, Hip Hop, Dance
