| Artist | Title |
|---|---|
| O.C. Smith | The Son Of Hickory Holler's Tramp |
| OMD | Enola Gay |
| Oakenfold | Starry Eyed Surprise |
| Oasis | Champagne Supernova |
| Oasis | Cigarettes & Alcohol |
| Oasis | Don't Look Back In Anger |
| Oasis | I'm Outta Time [Album version]/Album version |
| Oasis | Let There Be Love |
| Oasis | Little By Little |
| Oasis | Live Forever |
| Oasis | Lord Don't Slow Me Down |
| Oasis | Lyla |
| Oasis | Married With Children |
| Oasis | Rock 'N' Roll Star |
| Oasis | Roll With It |
| Oasis | Round Are Way |
| Oasis | She Is Love |
| Oasis | She's Electric |
| Oasis | Some Might Say |
| Oasis | Songbird |
| Oasis | Stand By Me |
| Oasis | Supersonic |
| Oasis | Talk Tonight |
| Oasis | The Importance Of Being Idle |
| Oasis | The Shock Of The Lightning |
| Oasis | Wonderwall |
| Ocean Colour Scene | 100 Mile High City |
| Ocean Colour Scene | Better Day |
| Ocean Colour Scene | The Day We Caught The Train |
| Ocean Colour Scene | The Riverboat Song |
| Ocean Colour Scene | Travellers Tune |
| Oceanic | Insanity |
| Odyssey | Going Back To My Roots |
| Odyssey | Native New Yorker |
| Odyssey | Use It Up Wear It Out |
| Off the Record | Like A G6 (made famous by Far East Movement feat Cataracs & Dev) |
| Offspring | Pretty Fly (For A White Guy) |
| O'Jays | Back Stabbers |
| O'Jays | I Love Music |
| O'Jays | Love Train |
| OK Go | Here It Goes Again |
| Ol' Dirty Bastard & Kelis | Got Your Money |
| Ol' Dirty Bastard/ Kelis | Got Your Money (featuring Kelis) (Amended Version) |
| Oleta Adams | Get Here |
| Olive | You're Not Alone |
| Oliver Cheatham | Get Down Saturday Night |
| Olivia Newton John | Physical |
| Olivia Newton-John | Hopelessly Devoted To You |
| Olivia Newton-John | Xanadu |
| Olivia Olson | All I Want For Christmas Is You |
| Olly Murs | Accidental |
| Olly Murs | Busy |
| Olly Murs | Dance With Me Tonight |
| Olly Murs | Heart Skips a Beat (feat. Rizzle Kicks) |
| Olly Murs | Please Don't Let Me Go |
| Olly Murs | Thinking of Me |
| Omar | There's Nothing Like This |
| Omarion | Ice Box |
| OMC | How Bizarre |
| OMD | Dream Of Me |
| OMD | Sailing On The Seven Seas |
| OMD | Walking On The Milky Way |
| One Direction | Gotta Be You |
| One Direction | I Wish |
| One Direction | What Makes You Beautiful |
| One Night Only | Just For Tonight [Radio Edit]/Radio Edit |
| One True Voice | Sacred Trust |
| One True Voice | Shakespeare's (Way With) Words |
| OneRepublic | All the Right Moves |
| OneRepublic | Apologize |
| OneRepublic | Stop And Stare |
| Ones - Flawless | The Ones - Flawless |
| OPM | Heaven Is A Halfpipe |
| Opus | Live Is Life |
| Opus 3 | It's A Fine Day |
| Orange Juice | Rip It Up |
| Orbital | Chime |
| Orbital | Doctor ? |
| Orbital | The Saint |
| Ordinary Boys | Boys Will Be Boys |
| Ordinary Boys | I Luv U |
| Ordinary Boys | Lonely At The Top |
| Ordinary Boys | Nine2Five |
| Original | I Luv U Baby! |
| Original | I Luv U Baby |
| Orson | Bright Idea |
| Orson | No Tomorrow |
| Osmonds | Crazy Horses |
| Otis Redding | (Sittin' On) The Dock Of The Bay |
| Otis Redding | Hard to Handle |
| Otis Redding | I've Been Loving You Too Long |
| Otis Redding | Love Man |
| Otis Redding | Mr. Pitiful |
| Otis Redding | Respect |
| Otis Redding | Satisfaction (I Can't Get No) |
| Otis Redding | That's How Strong My Love Is |
| Otis Redding | These Arms Of Mine (Single/ LP Version) [Single/ LP Version]/Single/ LP Version |
| Otis Redding | Tramp |
| Ottowan | D.I.S.C.O. |
| Oui 3 | Break From The Old Routine |
| Outfield | Your Love |
| Outhere Brothers | Boom Boom Boom (Don't Break My Balls Mix) |
| Outkast | Hey Ya! |
| Outkast | Ms Jackson |
| Outwork, Mr Gee | Elektro (The Cube Guys ‘Delano' Remix) |
| Overlanders | Michelle |
| Owen Paul | My Favourite Waste Of Time |
| Owl City | Fireflies (UK Radio Edit) |
| O-Zone | Dragostea Din Tei |