- O'Connor, Hazel - Eighth Day
- O'Connor, Hazel - Will You
- O'Connor, Mark - Devil Comes Back to Georgia, The
- O'Connor, Sinead - Nothing Compares 2 U
- O'Day, Alan - Undercover Angel
- O'Day, Anita - Take the 'A' Train
- O'Donnell, Daniel - Magic Is There, The
- O'Donnell, Daniel - Isle of Innisfree
- O'Donnell, Daniel - Forty Shades of Green
- O'Donnell, Daniel - Give Me a Little Love
- O'Donnell, Daniel - Footsteps
- O'Donnell, Daniel - Danny Boy
- O'Donnell, Daniel - Crush on You
- O'Donnell, Erin - No Place So Far
- O'Hara, Jamie - 50,000 Names
- O'Jays, The - Back Stabbers
- O'Jays, The - Use to Be My Girl
- O'Jays, The - Sing a Happy Song
- O'Jays, The - Put Your Hands Together
- O'Jays, The - Love Train
- O'Jays, The - I Love Music
- O'Jays, The - Forever Mine
- O'Jays, The - For the Love of Money
- O'Jays, The - Darling Baby
- O'Jays, The - I Love Music (Part 1)
- O'Kanes, The - Oh Darlin'
- O'Kaysions, The - Girl Watcher
- O'Keefe, Danny - Good Time Charlie's Got the Blues
- O'Neal, Alexander - Criticize
- O'Neal, Jamie - Somebody's Hero
- O'Neal, Jamie - Soldier Comin' Home
- O'Neal, Jamie - I Love My Life
- O'Neal, Jamie - I'm Not Gonna Do Anything Without You[w/MarkWills]
- O'Neal, Jamie - Like a Woman
- O'Neal, Jamie - Not So Distant Day [w/Michael McDonald]
- O'Neal, Jamie - Sanctuary
- O'Neal, Jamie - Shiver
- O'Neal, Jamie - Frantic
- O'Neal, Jamie - There Is No Arizona
- O'Neal, Jamie - Trying to Find Atlantis
- O'Neal, Jamie - When I Think About Angels
- O'Neal, Jamie - God Don't Make Mistakes
- O'Neal, Jamie - Only Thing Wrong, The
- O'Sullivan, Gilbert - Alone Again (Naturally)
- O'Sullivan, Gilbert - Ooh Baby
- O'Sullivan, Gilbert - Matrimony
- O'Sullivan, Gilbert - Get Down
- O'Sullivan, Gilbert - Clair
- O'Sullivan, Gilbert - Why Oh Why Oh Why
- O-Town - We Fit Together
- O-Town - Liquid Dreams
- O-Town - Love Should Be a Crime
- O-Town - These Are the Days
- O-Town - All or Nothing
- O-Town - I Showed Her
- Oak Ridge Boys, The - This Crazy Love
- Oak Ridge Boys, The - Thank God for Kids
- Oak Ridge Boys, The - It Takes a Little Rain to Make Love Grow
- Oak Ridge Boys, The - I'll Be True to You
- Oak Ridge Boys, The - Elvira
- Oak Ridge Boys, The - Come on In
- Oak Ridge Boys, The - Bobbie Sue
- Oak Ridge Boys, The - Y'all Come Back Saloon
- Oak Ridge Boys, The - Tryin' to Love Two Women
- Oak Ridge Boys, The - American Made
- Oakenfold, Paul - Faster Kill Pussycat [w/Brittany Murphy]
- Oakenfold, Paul - Starry Eyed Surprise [w/Shifty Shellshock]
- Oakley, Phil & Giorgio Moroder - Together in Electric Dreams
- OAR - Love and Memories
- OAR - This Town
- OAR - Shattered (Turn the Car Around)
- Oasis - Champagne Supernova
- Oasis - Some Might Say
- Oasis - Magic Pie
- Oasis - Lyla
- Oasis - Live Forever
- Oasis - Little By Little
- Oasis - Sunday Morning Call
- Oasis - Let There Be Love
- Oasis - It's Gettin' Better
- Oasis - Importance of Being Idle, The
- Oasis - I'm Outta Time
- Oasis - Half the World Away
- Oasis - Go Let It Out
- Oasis - Masterplan, The
- Oasis - Rock & Roll Star
- Oasis - Songbird
- Oasis - Stand By Me
- Oasis - Stay Young
- Oasis - Stop Crying Your Heart Out
- Oasis - Slide Away
- Oasis - Whatever
- Oasis - Wonderwall
- Oasis - Shock of the Lightning, The
- Oasis - Shock of Lightning, The
- Oasis - She's Electric
- Oasis - Roll with It
- Oasis - D'You Know What I Mean
- Oasis - Don't Look Back in Anger
- Oasis - Hindu Times, The
- Oasis - Who Feels Love
- Oasis - Acquiesce
- Oasis - Be Here Now
- Oasis - Carnation [Liam Gallagher & Stefe Cradock]
- Oasis - Cigarettes and Alcohol
- Oasis - Death of You and Me [Noel Gallagher solo]
- Oasis - Don't Go Away
- Ocean - Put Your Hand in the Hand
- Ocean Colour Scene - Better Day
- Ocean Colour Scene - Carnation [Liam Gallagher & Stefe Cradock]
- Ocean Colour Scene - Day We Caught the Train
- Ocean Colour Scene - It's a Beautiful Thing
- Ocean Colour Scene - Profit in Peace
- Ocean Colour Scene - So Low
- Ocean Colour Scene - Day We Caught the Train, The
- Ocean Colour Scene - You've Got It Bad
- Ocean Colour Scene - Riverboat Song
- Ocean, Billy - When the Going Gets Tough
- Ocean, Billy - There'll Be Sad Songs
- Ocean, Billy - Suddenly
- Ocean, Billy - Red Light Spells Danger
- Ocean, Billy - Get Outta My Dreams, Get into My Car
- Ocean, Billy - Loverboy
- Ocean, Billy - Color of Love
- Ocean, Billy - Love Really Hurts Without You
- Ocean, Billy - Caribbean Queen
- Ocean, Frank - Novacane
- Ocean, Frank - No Church in the Wild [w/Kanye West & Jay-Z]
- Ocean, Frank - Super Rich Kids [w/Earl Sweatshirt]
- Ocean, Frank - Pyramids
- ODB - see Ol' Dirty Bastard
- Odell, Tom - Another Love
- Odyssey - Inside Out
- Odyssey - Native New Yorker
- Odyssey - Use It Up and Wear It Out
- Of Monsters and Men - Little Talks
- Ofarim, Esther & Abi - Cinderella Rockafella
- Offspring, The - Gotta Get Away
- Offspring, The - Million Miles Away
- Offspring, The - Gone Away
- Offspring, The - Defy You
- Offspring, The - Come Out and Play
- Offspring, The - Can't Repeat
- Offspring, The - All I Want
- Offspring, The - Head Around You, (Can't Get My)
- Offspring, The - Hit That
- Offspring, The - You're Gonna Go Far Kid
- Offspring, The - Why Don't You Get a Job
- Offspring, The - Staring at the Sun
- Offspring, The - She's Got Issues
- Offspring, The - Self Esteem
- Offspring, The - Pretty Fly for a White Guy
- Offspring, The - Original Prankster
- Offspring, The - Next to You
- Offspring, The - Kids Aren't Alright, The
- Ohio Express, The - Fire
- Ohio Express, The - Yummy Yummy Yummy
- Ohio Express, The - Chewy Chewy Chewy
- Ohio Players, The - Fire
- Ohio Players, The - Love Roller Coaster
- Oingo Boingo - Little Girls
- Oingo Boingo - Dead Man's Party
- Oingo Boingo - Weird Science
- OK Go - Get Over It
- OK Go - Here It Goes Again
- Ol' Dirty Bastard - see also Wu-Tang Clan
- Ol' Dirty Bastard - Brooklyn Zoo
- Ol' Dirty Bastard - Ghetto Superstar [w/Pras Michel & M_a]
- Ol' Dirty Bastard - Shimmy Shimmy Ya
- Old Crow Medicine Show - Wagon Wheel
- Oldfield, Mike - Moonlight Shadow
- Oldfield, Mike - Portsmouth
- Oldfield, Mike - Shadow on the Wall
- Oleander - Are You There?
- Oleander - Why I'm Here
- Oleander - Hands Off the Wheel
- Oliver - Good Morning Starshine [from Hair]
- Olivia - Bizounce
- Olivia - Best Friend [w/50 Cent]
- Olsen Brothers, The - Fly on the Wings of Love
- Olson, Troy - Good Hands
- Olsson, Ann-Margret - Begin the Beguine
- Olympics, The - Hully Gully
- Olympics, The - Western Movies
- Omar - There's Nothing Like This
- Omar, Don - Dile
- Omarion - Ice Box [w/Timbaland]
- Omarion - Cut-Off Time [w/Kat DeLuna]
- Omarion - Touch
- Omarion - Speedin'
- Omarion - O
- Omarion - Let Me Hold You [w/Bow Wow]
- Omarion - Entourage
- Omarion - Girlfriend [w/Bow Wow]
- OMC - How Bizarre
- OMD - Enola Gay
- OMD - see Orchestral Manoeuvres in the Dark
- Once Blue - Save Me
- One Block Radius - You Got Me
- One Direction - Best Song Ever
- One Direction - Gotta Be You
- One Direction - Little Things
- One Direction - Kiss You
- One Direction - What Makes You Beautiful
- One Direction - Live While We're Young
- One Direction - More than This
- One Direction - One Thing
- One Direction - One Way or Another (Teenage Kicks)
- One Night Only - Just for Tonight
- One Republic - If I Lose Myself
- One Republic - Stop and Stare
- One True Voice - After You're Gone
- One True Voice - Sacred Trust
- One Way - Cutie Pie
- One Way Ride - Painted Perfect
- OneRepublic - Stop and Stare
- OneRepublic - Say (All I Need)
- OneRepublic - Mercy
- OneRepublic - Counting Stars
- OneRepublic - Apologize [w/Timbaland]
- OneRepublic - All the Right Moves
- Operator Please - Just a Song About Ping Pong
- OPM - Heaven Is a Half Pipe
- Opus - Live Is Life
- Ora, Rita - RIP [ft. Tinie Tempah]
- Ora, Rita - R.I.P
- Ora, Rita - Hot Right Now [w/DJ Fresh]
- Ora, Rita - Radioactive
- Ora, Rita - Party and Bullsh-t
- Ora, Rita - Roc the Life
- Ora, Rita - Shine Ya Light
- Ora, Rita - How We Do (Party)
- Orange Juice - Rip It Up
- Orbison, Roy - You Got It
- Orbison, Roy - Working for the Man
- Orbison, Roy - She's a Mystery to Me
- Orbison, Roy - Running Scared
- Orbison, Roy - Penny Arcade
- Orbison, Roy - Ooby Dooby
- Orbison, Roy - I Drove All Night
- Orbison, Roy - In Dreams
- Orbison, Roy - It's Over
- Orbison, Roy - Lana
- Orbison, Roy - Dream Baby
- Orbison, Roy - Crying
- Orbison, Roy - Communication Breakdown
- Orbison, Roy - Claudette
- Orbison, Roy - Leah
- Orbison, Roy - California Blue
- Orbison, Roy - Blue Bayou
- Orbison, Roy - Blue Angel
- Orbison, Roy - Love So Beautiful, A
- Orbison, Roy - Mean Woman Blues
- Orbison, Roy - Oh, Pretty Woman
- Orbison, Roy - Only the Lonely
- Orchestral Manoeuvres in the Dark - If You Leave
- Orchestral Manoeuvres in the Dark - Sailing on the Seven Seas
- Orchestral Manoeuvres in the Dark - Tesla Girls
- Orchestral Manoeuvres in the Dark - Enola Gay
- Orchestral Manoeuvres in the Dark - Walking on the Milky Way
- Orchestral Manoeuvres in the Dark - Enola Gay '98 [vs.Sash]
- Orchestral Manoeuvres in the Dark - Locomotion
- Orchestral Manoeuvres in the Dark - Forever Live and Die
- Ordinary Boys - Boys Will Be Boys
- Ordinary Boys, The - Nine2Five [w/Lady Sovereign]
- Ordinary Boys, The - Lonely at the Top
- Ordinary Boys, The - Boys Will Be Boys
- Ordinary Boys, The - I Luv You
- Orgy - Blue Monday
- Orgy - Fiction (Dreams in Digital)
- Orgy - Opticon
- Orgy - Stitches
- Orianthi - According to You
- Original, The - I Love You Baby
- Orlando, Tony & Dawn - Stepping Out
- Orlando, Tony & Dawn - Who's in the Strawberry Patch with Sally
- Orlando, Tony & Dawn - Bless You [Tony Orlando solo]
- Orlando, Tony & Dawn - Candida
- Orlando, Tony & Dawn - He Don't Love You (Like I Love You)
- Orlando, Tony & Dawn - I'd Die Without You
- Orlando, Tony & Dawn - Knock Three Times
- Orlando, Tony & Dawn - Look in My Eyes Pretty Woman
- Orlando, Tony & Dawn - Say Has Anybody Seen My Sweet Gypsy Rose
- Orlando, Tony & Dawn - Sweet Gypsy Rose
- Orlando, Tony & Dawn - Tie a Yellow Ribbon (Around the Old Oak Tree)
- Orleans - Still the One
- Orleans - Dance with Me
- Orrico, Stacie - Stuck
- Orrico, Stacie - Don't Look at Me
- Orrico, Stacie - There's Gotta Be More to Life
- Orrico, Stacie - I Promise
- Orrico, Stacie - I'm Not Missing You
- Orrico, Stacie - Instead
- Orrico, Stacie - More to Life, (There's Gotta Be)
- Orson - Bright Idea
- Orson - Happiness
- Orson - No Tomorrow
- Orson - Ain't No Party
- Ortega, Emanuel - A Escondidas
- Orton, Beth - Stolen Car
- Osborne Brothers, The - Rocky Top
- Osborne, Jeffrey - You Should Be Mine
- Osborne, Jeffrey - Stay with Me Tonight
- Osborne, Jeffrey - Place Where You Belong, The [w/Sheena Easton]
- Osborne, Jeffrey - On the Wings of Love
- Osborne, Jeffrey - In Your Eyes
- Osborne, Joan - Right Hand Man
- Osborne, Joan - Crazy
- Osborne, Joan - One of Us
- Osborne, Joan - Righteous Love
- Osborne, Joan - St Teresa
- Osbourne, Kelly - One Word
- Osbourne, Kelly - Papa Don't Preach
- Osbourne, Kelly - Shut Up
- Osbourne, Kelly - Changes [w/Ozzy]
- Osbourne, Ozzy - Shot in the Dark
- Osbourne, Ozzy - Sweet Leaf
- Osbourne, Ozzy - Sabbath Bloody Sabbath [Black Sabbath]
- Osbourne, Ozzy - Changes [w/Kelly Osbourne]
- Osbourne, Ozzy - You Can't Kill Rock and Roll
- Osbourne, Ozzy - Close My Eyes Forever [w/Lita Ford]
- Osbourne, Ozzy - see also Black Sabbath
- Osbourne, Ozzy - Bark at the Moon
- Osbourne, Ozzy - Road to Nowhere
- Osbourne, Ozzy - Paranoid/War Pigs [live Black Sabbath]
- Osbourne, Ozzy - Crazy Train
- Osbourne, Ozzy - Diary of a Madman
- Osbourne, Ozzy - Dreamer
- Osbourne, Ozzy - Flying High Again
- Osbourne, Ozzy - Gets Me Through
- Osbourne, Ozzy - Goodbye to Romance
- Osbourne, Ozzy - I Don't Wanna Stop
- Osbourne, Ozzy - Iron Man [Black Sabbath]
- Osbourne, Ozzy - Mama I'm Coming Home
- Osbourne, Ozzy - Mississippi Queen
- Osbourne, Ozzy - Mob Rules, The
- Osbourne, Ozzy - Mr. Crowley
- Osbourne, Ozzy - N.I.B.
- Osbourne, Ozzy - No More Tears
- Osbourne, Ozzy - Over the Mountain
- Osbourne, Ozzy - Paranoid
- Osbourne, Ozzy - War Pigs [Black Sabbath]
- Oslin, K.T. - This Woman
- Oslin, K.T. - 80's Ladies
- Oslin, K.T. - Come Next Monday
- Oslin, K.T. - Do Ya
- Oslin, K.T. - Driving Crying Missing You
- Oslin, K.T. - Feeding a Hungry Heart
- Oslin, K.T. - Hey Bobby
- Oslin, K.T. - Hold Me
- Oslin, K.T. - I'll Always Come Back
- Oslin, K.T. - Live Close By, Visit Often
- Oslin, K.T. - Miss the Mississippi and You
- Oslin, K.T. - Silver Tongue and Gold Plated Lies
- Osmond, Donny - Soldier of Love
- Osmond, Donny - Puppy Love
- Osmond, Donny - Go Away Little Girl
- Osmond, Marie - Read My Lips
- Osmond, Marie - Meet Me in Montana [w/Dan Seals]
- Osmond, Marie - Paper Roses
- Osmond, Marie - There's No Stoppin' Your Heart
- Osmonds, The - Crazy Horses
- Osmonds, The - Love Me for a Reason
- Osmonds, The - One Bad Apple
- Otis, Johnny - Willie and the Hand Jive
- Otis, Johnny - Hand Jive
- Ottawan - Hands Up
- Ottawan - D.I.S.C.O.
- Otto, James - These Are the Good Old Days
- Otto, James - Just Got Started Lovin' You
- Otto, James - Groovy Little Summer Song
- Otto, James - For You
- Otto, James - Days of Our Lives
- Otto, James - Ball, The
- Our Lady Peace - Where Are You
- Our Lady Peace - Superman's Dead
- Our Lady Peace - Somewhere Out There
- Our Lady Peace - Is Anybody Home?
- Our Lady Peace - Innocent
- Our Lady Peace - Clumsy
- Our Lady Peace - 4:00 AM
- Outfield, The - Your Love
- Outhere Brothers, The - Don't Stop Wiggle Wiggle
- Outhere Brothers, The - Don't Stop ('96 Mix)
- Outhere Brothers, The - Boom Boom Boom
- Outkast - Whole World, The [w/Killer Mike]
- Outkast - Way You Move, The [w/Sleepy Brown]
- Outkast - So Fresh, So Clean
- Outkast - Roses
- Outkast - Prototype
- Outkast - Ms. Jackson
- Outkast - Mighty 'O'
- Outkast - Land of a Million Drums
- Outkast - International Player's Anthem (I Choose You) [w/UGK]
- Outkast - I Can't Wait [w/Sleepy Brown]
- Outkast - Hey Ya!
- Outkast - Green Light [John Legend & Andre 3000]
- Outkast - Dedication to My Ex (Miss That) [Andre 3000 & Lloyd & Lil Wayne]
- Outlandish - Aicha
- Outlaws, The - There Goes Another Love Song
- Outlaws, The - Ghost Riders in the Sky
- Outshyne - Country Boy in Me
- Outsiders, The - Time Won't Let Me
- Outspoken - Farther
- OV7 - Enloqueceme
- Overlanders - Michelle
- Overstreet, Paul - Sowin' Love
- Overstreet, Paul - Richest Man on Earth
- Overstreet, Paul - Heroes
- Overstreet, Paul - Even When It Don't Feel Like It
- Overstreet, Paul - Daddy's Come Around
- Overstreet, Paul - Ball and Chain
- Overstreet, Paul - All the Fun
- Overstreet, Tommy - I'll Never Break These Chains
- Overstreet, Tommy - Heaven Is My Woman's Love
- Overstreet, Tommy - Ann Don't Go Runnin'
- Owen, Jake - Yee Haw
- Owen, Jake - Startin' with Me
- Owen, Jake - Something About a Woman
- Owen, Jake - Life in a Northern Town [w/Sugarland & Little Big Town]
- Owen, Jake - Eight Second Ride
- Owen, Jake - Don't Think I Can't Love You
- Owen, Jake - Days of Gold
- Owen, Jake - Barefoot Blue Jean Night
- Owen, Jake - Alone with You
- Owen, Mark - Four Minute Warning
- Owen, Randy - Braid My Hair
- Owens, Buck - Rollin' in My Sweet Baby's Arms
- Owens, Buck - Sam's Place
- Owens, Buck - Santa Looked a Lot Like Daddy
- Owens, Buck - Together Again
- Owens, Buck - Too Country [w//Brad Paisley & Bill Anderson & George Jones]
- Owens, Buck - Under Your Spell Again
- Owens, Buck - Waitin' in the Welfare Line
- Owens, Buck - Open Up Your Heart
- Owens, Buck - My Heart Skips a Beat
- Owens, Buck - Made in Japan
- Owens, Buck - Act Naturally
- Owens, Buck - Big in Vegas
- Owens, Buck - Excuse Me (I Think I've Got a Heartache)
- Owens, Buck - I Don't Care Just as Long as You Love Me
- Owens, Buck - I've Got a Tiger By the Tail
- Owens, Buck - Kansas City Song, The
- Owens, Buck - Love's Gonna Live Here
- Owens, Mark - Child
- Owl City - Vanilla Twilight
- Owl City - Shooting Star
- Owl City - Real World, The
- Owl City - Good Time [w/Carly Rae Jepsen]
- Owl City - Fireflies
- Owl City - Deer in the Headlights
- Owl Eyes - Hurricane
- Owl Eyes - Nightswim
- Oxo - Whirly Girl
- Ozark Mountain Daredevils - If You Wanna Get to Heaven
- Ozark Mountain Daredevils - Jackie Blue
- Ozomatli - Love and Hope
- Ozomatli - Mi Gente [w/Quintanilla III y Los Kumbia Kings]