| Title | Artist | Song # |
| O | Omarion | 11251 |
| O Christmas Tree | Christmas | 21731 |
| O Come All Ye Faithful | Christmas | 11443 |
| O Come All Ye Faithful | Christmas | 21732 |
| O Come All Ye Faithful | Christmas Elvis Presley | 21697 |
| O Come All Ye Faithful | Elvis Presley | 22965 |
| O Come All Ye Faithful | Evans, Sara | 11344 |
| O Come All Ye Faithful | Evans, Sara | 17781 |
| O Holy Night | Christmas | 11444 |
| O Holy Night | Christmas Josh Groban | 20834 |
| O Holy Night | Dion, Celine | 17759 |
| O Little Town of Bethlehem | Christmas | 4918 |
| O Little Town of Bethlehem | Christmas | 11445 |
| O Little Town of Bethlehem | Christmas | 21733 |
| O Little Town of Bethlehem | Harris, Emmylou | 11347 |
| O Little Town of Bethlehem | Harris, Emmylou | 17784 |
| O Sole Mio | Italian Love Songs | 11815 |
| O What A Thrill | Mavericks | 21136 |
| O What A Thrill | Mavericks, The | 7716 |
| O Yeah | End of Fashion | 19700 |
| O' Come All Ye Faithful | Christmas | 9318 |
| O'Rafferty's Motor Car | Doonican, Val | 1126 |
| Ob la Di Ob La Da | Beatles, The | 5771 |
| Objection (Tango) | Shakira | 7712 |
| Objects In The Rear View Mirror | Meat Loaf | 2280 |
| Obla-Di Obla-Da | Beatles | 14677 |
| Obsessed | Carey, Mariah | 10596 |
| Obsessed | Carey, Mariah | 17099 |
| Obsessed | Mariah Carey | 21865 |
| Obsession | Animotion | 4926 |
| Obsession | Frankie J | 10804 |
| Obsession | Frankie J | 19500 |
| Obvious | Aguilera, Christina | 8213 |
| Obvious | Westlife | 15396 |
| Obvious Child | Simon & Garfunkel | 12456 |
| Obviously | Mcfly | 15452 |
| Ocean Avenue | Yellowcard | 11127 |
| Ocean Drive | Duke Dumont | 23648 |
| Ocean Drive | Duke Dumont | 23791 |
| October Grey | Screaming Jets | 2686 |
| Octopus's Garden | Beatles, The | 194 |
| Ode To Billie Joe | Gentry, Bobbie | 1830 |
| Ode To Billy Joe | Gentry, Bobbie | 15175 |
| Ode To My Car | Sandler, Adam | 12886 |
| Ode To My Family | Cranberries | 6238 |
| Of His Latest Flame, (Marie's The Name) | Presley, Elvis | 10410 |
| Of The Night | Bastille | 18562 |
| Of The Night | Bastille | 18602 |
| Of The Night | Bastille | 23372 |
| Off The Record | Stryder, Tinchy | 16703 |
| Off The Wall | Michael Jackson | 19743 |
| Officially Missing You | Tamia | 11193 |
| Oh | Ciara & Ludacris | 11268 |
| Oh Boy | Buddy Holly | 4831 |
| Oh Boy | Buddy Holly | 22091 |
| Oh Boy | Holly, Buddy | 4494 |
| Oh Boy | Holly, Buddy | 12348 |
| Oh Boy | Mud | 9392 |
| Oh Carol | Sedaka, Neil | 7808 |
| Oh Carol | Smokie | 10308 |
| Oh Carol | Smokie | 10921 |
| Oh Carolina | Shaggy | 9543 |
| Oh Cecilia (Breaking My Heart) | Vamps feat. Shawn Mendes | 18886 |
| Oh Come All Ye Faithful | Presley, Elvis | 9193 |
| Oh Darling | Beatles | 6246 |
| Oh Darling | Beatles, The | 11722 |
| Oh Dear, What Can The Matter Be | Children | 20876 |
| Oh Girl | Chi-Lites, The | 3754 |
| Oh Girl | Paul Young | 23472 |
| Oh Girl | Paul Young | 23517 |
| Oh Happy Days | Hill, Lauryn | 2447 |
| Oh Julie | Shakin Stevens | 2557 |
| Oh Julie | Shakin' Stevens | 18620 |
| Oh Little Town of Bethleham | Elvis Presley | 22960 |
| Oh Mother | Aguilera, Christina | 16018 |
| Oh My | Wigmore, Gin | 18963 |
| Oh My God | Kaiser Chiefs | 15612 |
| Oh My God | Ronson, Mark & Lily Allen | 15943 |
| Oh My Goodness | Murs, Olly | 5195 |
| Oh My My | Starr, Ringo | 8586 |
| Oh No | Richie, Lionel | 11635 |
| Oh No Not My Baby | Stewart, Rod | 12031 |
| Oh Pretty Woman | Orbison, Roy | 3404 |
| Oh Pretty Woman | Orbison, Roy | 17822 |
| Oh Pretty Woman | Roy Orbison | 22262 |
| Oh Santa | Carey, Mariah | 16498 |
| Oh Sherrie | Journey | 7125 |
| Oh Stacey | Zutons, The | 15827 |
| Oh Very Young | Cat Stevens | 21030 |
| Oh Very Young | Stevens, Cat | 4683 |
| Oh What A Night | Frankie Valli | 14052 |
| Oh What A Night | Valli, Frankie | 1726 |
| Oh What A Thrill | Mavericks, The | 23594 |
| Oh Yeah | Ferry, Brian & Roxy Music | 2758 |
| Oh Yeah, Uh Huh | Joye, Col | 2342 |
| Oh You Beautiful Doll | George Murphy | 22521 |
| Oh! Carol | Sedaka, Neil | 13388 |
| Oh! Susanna | Traditional | 14400 |
| Oh, Atlanta | Krauss, Alison & James Taylor | 8553 |
| Ohio | Bowling For Soup | 19456 |
| Ohio | Crosby, Stills, Nash & Young | 5682 |
| Ohio | Crosby, Stills, Nash & Young | 12222 |
| Ohio | Young, Neil | 7724 |
| Ohio Is For Lovers | Hawthorne Heights | 8570 |
| Ok | Big Brovaz | 9759 |
| Okay | Nivea & Lil Jon & The Youngbloodz | 11258 |
| Okie From Muskogee | Haggard, Merle | 3939 |
| Okie From Muskogee | Merle Haggard | 14544 |
| Okie From Muskogee | Merle Haggard | 22581 |
| Okie From Muskogee | Waylon Jennings | 14053 |
| Ol' 55 | Eagles, The | 13426 |
| Ol' Red | Blake Shelton | 18222 |
| Ol' Red | Rogers, Kenny | 7223 |
| Old Before I Die | Williams, Robbie | 11017 |
| Old Before I Die | Williams, Robbie | 12798 |
| Old Blue Chair | Chesney, Kenny | 7205 |
| Old Bog Road, The | Irish Standard | 4622 |
| Old Devil Moon | Bennett, Tony | 5028 |
| Old Devil Moon | Bennett, Tony | 9439 |
| Old Dogs Children & Watermelon Wine | Hall, Tom T. | 6091 |
| Old Dogs Children and Watermelon Wine | Tom T Hall | 14545 |
| Old Dogs, Children and Watermelon Wine | Hall, Tom T. | 1014 |
| Old Flames Can't Hold A Candle To You | Dolly Parton | 17983 |
| Old Flames Have New Names | Mark Chesnutt | 22683 |
| Old Folks At Home | Mills Brothers | 22532 |
| Old Friends Bookends | Simon & Garfunkel | 12445 |
| Old Hippie | Bellamy Brothers | 22665 |
| Old Macdonald Had A Farm | Children | 20860 |
| Old Macdonald Had A Farm | Traditional | 14401 |
| Old Man | Young, Neil | 5019 |
| Old Man | Young, Neil | 9431 |
| Old Man & Me | Hootie & The Blowfish W-Vocal | 971 |
| Old Man Emu | Williamson, John | 1169 |
| Old Man Emu | Williamson, John | 8297 |
| Old Man From The Mountain | Merle Haggard | 22592 |
| Old Man Mose | Newton, Wayne | 13523 |
| Old Red Eyes Is Back | Beautiful South | 10130 |
| Old Rustic Bridge, The | Foster & Allen | 1127 |
| Old Shep | Elvis Presley | 23068 |
| Old Songs | Manilow, Barry | 8735 |
| Old Songs, The | Manilow, Barry | 11766 |
| Old Tim Rock N Roll | Bob Segar | 1327 |
| Old Time Rock & Roll | Seger, Bob | 9017 |
| Old Time Rock & Roll | Seger, Bob | 13153 |
| Old Time Rock 'n' Roll | Seger, Bob | 4096 |
| Old Time Rock and Roll | Bob Seger | 14054 |
| Old Town New | Mcgraw, Tim | 8031 |
| Older | Michael, George | 12758 |
| Older Than My Years | Cherie | 20081 |
| Oldest Swinger In Town, The | Wedlock, Fred | 435 |
| Ole Black & Blue Eyes | Fratellis, The | 15945 |
| Oliver Twist | D'banj | 5236 |
| Oliver's Army | Costello, Elvis & The Attractions | 8389 |
| Oliver's Army | Costello, Elvis & The Attractions | 17398 |
| Omen | Disclosure Feat Sam Smith | 23607 |
| Omg | Usher | 253 |
| Omg | Usher | 16373 |
| On A Carousel | Hollies, The | 12514 |
| On A Clear Day | Monro, Matt | 17837 |
| On A Day Like Today | Adams, Bryan | 6700 |
| On A Mission | Cilmi, Gabriella | 185 |
| On A Night Like This | Minogue, Kylie | 3203 |
| On A Raggae Tip | Sl2 | 9546 |
| On A Slow Boat To China | Jazz | 1240 |
| On A Snowy Christmas Night | Elvis Presley | 22966 |
| On An Evening In Roma | Martin, Dean | 13671 |
| On Bended Knee | Boys II Men | 6226 |
| On Broadway | Benson, George | 4264 |
| On Broadway | Drifters, The | 11602 |
| On Days Like These | Monro, Matt | 17831 |
| On Moonlight Bay | Day, Dorris | 17222 |
| On My Knees | 411 | 15453 |
| On My Mind | Goulding, Ellie | 23723 |
| On My Mind | Goulding, Ellie | 23754 |
| On My Mind | Joker Feat William Cartwright | 5160 |
| On My Mind | Powderfinger | 2528 |
| On My Own | Houston, Whitney | 9782 |
| On My Own | La Belle, Pattie & Michael Mcdonald | 8861 |
| On My Own | La Belle, Pattie & Michael Mcdonald | 8991 |
| On My Own | La Belle, Pattie & Michael Mcdonald | 11530 |
| On My Own | Labelle, Patti & Michael Mcdonald | 15191 |
| On My Own | Les Miserables | 2836 |
| On My Own | Les Miserables | 5883 |
| On My Own | Les Miserables | 15223 |
| On My Radio | Selecter, The | 4386 |
| On The Amazon | McLean, Don | 17392 |
| On The Beach | Chris Rea | 22451 |
| On The Beach | Cliff Richard | 22263 |
| On The Beach | Cliff Richard | 22348 |
| On The Beach | Rea, Chris | 4553 |
| On The Border | Stewart, Al | 4050 |
| On The Dark Side | John Cafferty | 14055 |
| On The Floor | Lopex, Jennifer Feat Pitbull | 471 |
| On The Floor | Lopez, Jennifer | 16568 |
| On The Good Ship Lollypop | Temple, Shirley | 17164 |
| On The Inside (Theme From Prisoner) | Hamilton, Lynne | 14315 |
| On The Other Hand | Randy Travis | 14546 |
| On The Prowl | Old 55 | 4191 |
| On The Prowl | Old 55 | 8294 |
| On The Radio | Summer, Donna | 6228 |
| On The Radio | Summer, Donna | 12284 |
| On The Radio | Summer, Donna | 13792 |
| On The Road | Sommers, Donna | 3942 |
| On The Road Again | Nelson & Jennings | 3914 |
| On The Road Again | Nelson, Willie | 3535 |
| On The Road Again | Nelson, Willie | 5614 |
| On The Road Again | Nelson, Willie | 12015 |
| On The Road Again | Willie Nelson | 14056 |
| On The Road Again | Willie Nelson | 14547 |
| On The Road To Find Out | Stevens, Cat | 4682 |
| On The Rocks | Scherzinger, Nicole | 18892 |
| On The Street Where You Live | My Fair Lady | 1958 |
| On The Street Where You Live | My Fair Lady | 2838 |
| On The Street Where You Live | My Fair Lady | 4240 |
| On The Sunny Side Of The Street | Nelson, Willie | 17716 |
| On The Way Down | Cabrera, Ryan | 11083 |
| On The Way Down | Ryan Cabrera | 20083 |
| On The Wings of A Nightingale | Everly Brothers, The | 3872 |
| On The Wings of A Silver Bird | Humperdinck, Engelbert | 10653 |
| On The Wings of A Silver Bird | Humperdinck, Engelbert | 16843 |
| On The Wings of Love | Osborne, Jeffrey | 3731 |
| On Top | Ruffo, Johnny | 4979 |
| On Top of Old Smokey | Traditional | 14402 |
| On Top Of The World | Imagine Dragons | 18481 |
| Once | Vickers, Diana | 16386 |
| Once A Day | Connie Smith | 21105 |
| Once A Day | Smith, Connie | 5716 |
| Once Bitten Twice Shy | Great White | 1663 |
| Once Bitten Twice Shy | Great White | 4666 |
| Once Bitten Twice Shy | Great White | 16130 |
| Once Bitten Twice Shy | Hunter, Ian | 17492 |
| Once In A Blue Moon | Earl Thomas Conley | 20841 |
| Once In A Lifetime | Newley, Anthony | 13547 |
| Once In A Lifetime | Talking Heads, The | 3741 |
| Once In A Lifetime Love | Clay Walker | 20813 |
| Once In A While | Dishwalla | 20322 |
| Once Upon A Dream | Fury, Billy | 12010 |
| Once Upon A Long Ago | Mccartney, Paul | 3837 |
| Once You Loved Somebody | Dixie Chicks | 1416 |
| Once You've Loved Somebody | Dixie Chicks | 14786 |
| One | Backstreet Boys | 14297 |
| One | Blige, Mary J. & U2 | 10619 |
| One | Blige, Mary J. & U2 | 17145 |
| One | Chorus Line | 4478 |
| One | Creed | 7082 |
| One | Creed | 13470 |
| One | Faith Hill | 19546 |
| One | Faith Hill | 20468 |
| One | Hear Say | 9988 |
| One | Metallica | 13240 |
| One | U2 | 7534 |
| One | U2 | 12848 |
| One | U2 | 17416 |
| One | U2 | 22396 |
| One (Your Name) | Sweedish House Feat. Pharrell | 16443 |
| One and Only | Adele | 16640 |
| One and Only, The | Hawkes, Chesney | 1116 |
| One Belief Away | Raitt, Bonnie | 6865 |
| One Better Day | Madness | 10058 |
| One Big Love | Patty Griffin | 20325 |
| One Boy One Girl | Raye, Collin | 1752 |
| One Broken Heart For Sale | Elvis Presley | 22860 |
| One Call Away | Chingy | 11226 |
| One Call Away | Puth, Charlie | 23788 |
| One Call Away | Puth, Charlie | 23805 |
| One Crowded Hour | March, Augie | 9354 |
| One Day At A Time | Deana Carter | 18154 |
| One Day At A Time | Eagles, The | 7053 |
| One Day I'll Fly Away | Crawford, Randy | 15181 |
| One Day I'll Fly Away | Crawford, Randy | 19266 |
| One Day I'll Fly Away | Moulin Rouge | 9131 |
| One Day In Your Life | Anastacia | 6208 |
| One Day In Your Life | Michael Jackson | 19746 |
| One Day In Your Life | Michael Jackson | 22264 |
| One Day Like This | Elbow | 17353 |
| One Day You'll Be Mine | Usher | 8076 |
| One Dyin' and A Buryin' | Miller, Roger | 1028 |
| One Fine Day | Carole King | 21262 |
| One Fine Day | Chiffons, The | 6095 |
| One Fine Day | King, Carole | 4198 |
| One Fine Day | King, Carole | 12065 |
| One For My Baby | Sinatra, Frank | 1697 |
| One For My Baby | Sinatra, Frank | 13304 |
| One For My Baby | Williams, Robbie | 2785 |
| One For Sorrow | Steps, The | 6435 |
| One For The Radio | Mcfly | 4936 |
| One Good Love | Diamond, Neil & W. Jennings | 4895 |
| One Good Man | Michelle Wright | 21144 |
| One Hand One Heart | West Side Story | 13556 |
| One Hand One Heart | West Side Story | 21058 |
| One Headlight | Wall Flowers | 23221 |
| One Headlight | Wallflowers, The | 7744 |
| One Hell of A Woman | Mac Davis | 15072 |
| One Hit Wonder | Everclear | 6939 |
| One Honest Heart | Mcentire, Reba | 1443 |
| One Hundred and Two | Judds | 22735 |
| One Hundred Ways | Ingram, James | 8356 |
| One I Love, The | Gray, David | 15700 |
| One I Love, The | R.E.M | 12853 |
| One In A Million | America | 1044 |
| One In A Million | Graham, Larry | 3803 |
| One In A Million | Graham, Larry | 13492 |
| One In A Million | Graham, Larry | 13646 |
| One In A Million You | Graham, Larry | 5675 |
| One In Every Crowd | Montgomery Gentry | 21005 |
| One In Every Crowd | Montgomery Gentry | 21938 |
| One In Ten | Ub40 | 10005 |
| One Irish Rover | Van Morrison | 23289 |
| One Kiss From You | Britney Spears | 14276 |
| One Kiss From You | Spears, Britney | 13288 |
| One Last Breath | Creed | 7103 |
| One Last Breath | Creed | 19369 |
| One Last Kiss | J. Geils Band, The | 13149 |
| One Last Love Song | Beautiful South | 10131 |
| One Last Thrill | Billy Ray Cyrus | 7087 |
| One Last Time | Grande, Ariana | 19211 |
| One Last Time | Grande, Ariana | 19321 |
| One Less Bell To Answer | Fifth Dimension, The | 4464 |
| One Less Set of Footsteps | Croce, Jim | 7329 |
| One Lonely Night | Reo Speedwagon | 7779 |
| One Love | Bob Marley | 19727 |
| One Love | Guette, David Feat Estelle | 170 |
| One Man Band | Leo Sayer | 8367 |
| One Man Went To Mow | Children | 20880 |
| One Minute | Clarkson, Kelly | 460 |
| One Minute Man | Missy Elliot | 14984 |
| One Minute Man | Missy Elliott, Ludacris & Trina | 7887 |
| One Moment In Time | Houston, Whitney | 3886 |
| One Moment In Time | Houston, Whitney | 8736 |
| One Moment In Time | Houston, Whitney | 12337 |
| One Moment More | Mindy Smith | 19435 |
| One Moment More | Mindy Smith | 19796 |
| One Moment More | Smith, Mindy | 10689 |
| One More Chance | Jackson, Michael | 15347 |
| One More Chance | Michael Jackson | 19749 |
| One More Day | Diamond Rio | 14753 |
| One More Day | Diamond Rio | 19603 |
| One More Day | Diamond Rio | 19780 |
| One More For My Baby | Franklin, Lynn | 4547 |
| One More Kiss Dear | Percival, Don (Blade Runner Soundtrack) | 17235 |
| One More Last Chance | Vince Gill | 14548 |
| One More Night | Collins, Phil | 3172 |
| One More Night | Collins, Phil | 8957 |
| One More Night | Maroon 5 | 4983 |
| One More Night | Maroon 5 | 5268 |
| One More Night | Phil Collins | 6474 |
| One More Night | Phil Collins | 21838 |
| One More Night | Phil Collins | 22265 |
| One More Sleep | Lewis, Leona | 18583 |
| One Night | Elvis Presley | 22266 |
| One Night | Elvis Presley | 22879 |
| One Night | Elvis Presley | 23022 |
| One Night | Presley, Elvis | 4441 |
| One Night | Presley, Elvis | 16808 |
| One Night | Presley, Elvis | 18399 |
| One Night A Day | Brooks, Garth | 6983 |
| One Night In Bangkok | Murray Head | 5410 |
| One Night In Bangkok | Murray Head | 21401 |
| One Night Of Sin | Presley, Elvis | 19158 |
| One Night of Sun | Elvis Presley | 23014 |
| One of A Kind (Love Affair) | Spinners, The | 12705 |
| One of The Boys | Perry, Katy | 6034 |
| One of These Days | Ffh | 8667 |
| One of These Days | Leann Rimes | 14589 |
| One of These Days | Mcgraw, Tim | 8032 |
| One of These Days | Tim Mcgraw | 14549 |
| One of These Nights | Eagles | 937 |
| One of These Nights | Eagles | 5472 |
| One of These Nights | Eagles | 17950 |
| One of Those Nights | Eagles, The | 12611 |
| One of Us | Abba | 6162 |
| One of Us | Joan Osborne | 14210 |
| One of Us | Osborne, Joan | 9532 |
| One of Us (What If God Was) | Osborn, Joan | 7347 |
| One On One | Daryl Hall & John Oates | 15061 |
| One On One | Hall & Oates | 1073 |
| One Part Be My Lover | Raitt, Bonnie | 6888 |
| One Shot | Jls | 16332 |
| One Step At a Time | Electric Light Orchestra | 23854 |
| One Step At A Time | Sparks, Kordan | 4733 |
| One Step Closer | Hear Say | 9986 |
| One Step Closer | Linkin Park | 7685 |
| One That Got Away, The | Perry, Katy | 16689 |
| One Thing | Amerie | 15644 |
| One Thing | Finger Eleven | 8588 |
| One Thing | Finger Eleven | 11063 |
| One Thing | Finger Eleven | 11141 |
| One Thing | Finger Eleven | 19244 |
| One Thing | One Direction | 3018 |
| One Thing | One Direction | 5142 |
| One Thing Leads To Another | Fixx, The | 5423 |
| One Time | Bieber, Justin | 182 |
| One Time | Bieber, Justin | 16334 |
| One Toke Over The Line | Brewer & Shipley | 17909 |
| One Vision | Queen | 2711 |
| One Voice | Barry Manilow | 21565 |
| One Voice | Barry Manilow | 22267 |
| One Way Or Another | Blondie | 2101 |
| One Way Or Another | Blondie | 3581 |
| One Way Or Another | Blondie | 12818 |
| One Way Or Another | One Direction | 9252 |
| One Way Or Another (Teenage Kicks) | One Direction | 9886 |
| One Way Or Another (Teenage Kicks) | One Direction | 19919 |
| One Way Out | Allman Brothers Band, The | 12245 |
| One Way Road | John Butler Trio | 783 |
| One Way Ticket | Darkness, The | 15701 |
| One Way Ticket | Rimes, Leann | 7272 |
| One Who Really Loves You | Wells, Mary | 23914 |
| One Wild Night | Bon Jovi | 11331 |
| One Wild Night | Bon Jovi | 14719 |
| One Wild Night | Bon Jovi | 14908 |
| One Wild Night | Bon Jovi | 17756 |
| One Wild Night | Bon Jovi | 19823 |
| One Wild Night (2001 Version) | Bon Jovi | 7057 |
| One Wild Night (2001 Version) | Bon Jovi | 9647 |
| One Wild Night 2001 | Bon Jovi | 14931 |
| One Wish | Ray J | 11303 |
| One Word | Baby Animals | 2421 |
| One Word | Joel, Billy | 13695 |
| One Word | Osbourne, Kelly | 7494 |
| One World | Humperdinck, Engelbert | 10646 |
| One World | Humperdinck, Engelbert | 15246 |
| One You Love, The | Frey, Glenn | 13432 |
| One's On The Way | Lynn, Loretta | 12238 |
| One, The | Backstreet Boys, The | 13269 |
| One, The | John, Elton | 3147 |
| One, The | Minogue, Kylie | 16985 |
| Oney | Johnny Cash | 20580 |
| Onion Song, The | Gaye, Marvin | 12085 |
| Only A Woman's Heart | Irish, Mcevoy, Eleanor | 17795 |
| Only Fools | Lewis, Crystal | 5984 |
| Only Girl (In The World) | Rihanna | 16471 |
| Only Girl In The World | Rihanna | 341 |
| Only God Knows | Kid Rock | 1769 |
| Only God Knows Why | Kid Rock | 5389 |
| Only God Knows Why | Kid Rock | 13903 |
| Only Human | Cheryl | 19100 |
| Only If | Enya | 14175 |
| Only In America | Brooks & Dunn | 1094 |
| Only In America | Brooks & Dunn | 14771 |
| Only In America | Brooks & Dunn | 18175 |
| Only In America | Jay & The Americans | 12562 |
| Only In My Dreams | Gibson, Debbie | 6882 |
| Only In My Dreams | Steps | 10153 |
| Only In Your Heart | America | 20692 |
| Only Living Boy In New York, The | Simon & Garfunkel | 12462 |
| Only Lonely | Arena, Tina | 18572 |
| Only Lonely | Bon Jovi | 13223 |
| Only Lonely | Hootie & The Blowfish | 6961 |
| Only Love | Hawkins, Sophie B. | 7662 |
| Only Love Can Hurt Like This | Faith, Paloma | 18812 |
| Only Love Can Hurt Like This | Faith, Paloma | 18873 |
| Only One | John Butler Trio | 18569 |
| Only One | Kanye West Paul Mccartney | 19083 |
| Only One I Know, The | Chariatans | 3670 |
| Only Sixteen | Cooke, Sam | 8421 |
| Only Sixteen | Cooke, Sam | 12983 |
| Only Sixteen | Dr. Hook | 3208 |
| Only Sixteen | Dr. Hook | 10301 |
| Only The Good Die Young | Billy Joel | 21174 |
| Only The Good Die Young | Joel, Billy | 2029 |
| Only The Good Die Young | Joel, Billy | 12907 |
| Only The Horses | Scissor Sisters | 5240 |
| Only The Lonely | Orbison, Roy | 12408 |
| Only The Lonely | Orbison, Roy | 17816 |
| Only The Lonely | Roy Orbison | 22036 |
| Only The Lonely | Roy Orbison | 22268 |
| Only The Loot Can Make You Happy | Kelly, R. | 15226 |
| Only The Strong Survive | Elvis Presley | 22803 |
| Only The Young | Journey | 13101 |
| Only Thing That Looks Good On Me Is You, | Adams, Bryan | 5033 |
| Only Time | Enya | 2969 |
| Only Time | Enya | 6720 |
| Only Time | Enya | 14176 |
| Only Time | Enya | 19398 |
| Only Time | Enya (With Vocals) | 14183 |
| Only Time Will Tell | Asia | 9973 |
| Only To Be With You | Roachford | 3589 |
| Only U | Ashanti | 11247 |
| Only U | Ashanti | 15584 |
| Only Waiting For You | Crosby, Stills, Nash & Young | 7090 |
| Only Way Is Up | Yazz | 20915 |
| Only When I Lose Myself | Depeche Mode | 7061 |
| Only When You Leave | Spandau Ballet | 16769 |
| Only When You Leave | Spandau Ballet | 17128 |
| Only Women Bleed | Cooper, Alice | 2886 |
| Only Women Bleed | Cooper, Alice | 6152 |
| Only Yesterday | Carpenters, The | 16793 |
| Only You | Alison Moyet | 5052 |
| Only You | Platters, The | 7675 |
| Only You | Platters, The | 12976 |
| Only You | Platters, The | 17450 |
| Only You | Smokie | 10310 |
| Only You | Yazoo | 19262 |
| Only You & I Know | Mason, Dave | 12621 |
| Only You (And You Alone) | Platters | 20540 |
| Only You Can Rock Me (Live Version) | Ufo | 8568 |
| Only You Know & I Know | Clapton, Eric | 1492 |
| Only, The | Static X | 11071 |
| Ooby Dooby | Orbison, Roy | 12406 |
| Ooh Aah Just A Little Bit | Gina G | 10994 |
| Ooh Aah Just A Little Bit | Gina G | 23219 |
| Ooh Baby Baby | Linda Ronstadt | 23209 |
| Ooh Baby, Baby | Ronstadt, Linda | 8457 |
| Ooh Baby, Baby | Ronstadt, Linda | 12871 |
| Ooh It's Kinda Crazy | Soul Decision | 20375 |
| Ooh la | Kooks, The | 15839 |
| Ooh la la | Rowe, Normie | 2705 |
| Ooh la la | Stewart, Rod | 7945 |
| Ooh la la | Stewart, Rod | 11511 |
| Ooh la la | Wiseguys | 15205 |
| Ooh! | Blige, Mary J | 11174 |
| Oops (Oh My) | Tweet | 8797 |
| Oops (Oh My) | Tweet | 20405 |
| Oops I Did It Again | Britney Spears | 21515 |
| Oops! I Did It Again | Britney Spears | 5343 |
| Oops! I Did It Again | Britney Spears | 13904 |
| Oops! I Did It Again | Britney Spears | 14057 |
| Oops! I Did It Again | Britney Spears | 14277 |
| Oops! I Did It Again | Spears, Britney | 1768 |
| Oops! I Did It Again | Spears, Britney | 12993 |
| Oopsy Daisy | Chipmunk | 16283 |
| Open Arms | Carey, Mariah | 12181 |
| Open Arms | Journey | 13103 |
| Open Arms | Moore, Tina | 3005 |
| Open Arms | Turner, Tina | 8037 |
| Open Invitation | Santana, Carlos | 1570 |
| Open My Heart | Adams, Yolanda | 5983 |
| Open Road | Gary Barlow | 21425 |
| Open Up | Leftfield & John Lydon | 4292 |
| Open Your Eyes | Alter Bridge | 11081 |
| Open Your Eyes | Alter Bridge | 20426 |
| Open Your Eyes | Snow Patrol | 15883 |
| Open Your Heart | Madonna | 481 |
| Open Your Heart | Madonna | 3926 |
| Operator | Croce, Jim | 7330 |
| Operator | Croce, Jim | 11979 |
| Operator | Midnight Star | 9573 |
| Operator | Midnite Star | 6394 |
| Operator (That's Not The Way It Feels) | Croce, Jim | 6110 |
| Opposites Attract | Abdul, Paula | 7904 |
| Orange Blossom Special | Cash, Johnny | 5590 |
| Orange Colored Sky | Holiday, Billie | 11801 |
| Orange Crush | R.E.M. | 7630 |
| Oranges and Lemons | Children | 20884 |
| Ordinary Average Guy | Walsh, Joe | 13429 |
| Ordinary Day | Carlton, Vanessa | 9744 |
| Ordinary Day | Carlton, Vanessa | 11504 |
| Ordinary Day | Vanessa Carlton | 6418 |
| Ordinary Day | Vanessa Carlton | 19364 |
| Ordinary Girl | Lionel Richie | 18088 |
| Ordinary People | John Legend | 20110 |
| Ordinary People | Legend, John | 3784 |
| Ordinary People | Legend, John | 11248 |
| Ordinary World | Duran Duran | 4930 |
| Ordinary World | Duran Duran | 9022 |
| Ordinary World | Duran Duran | 10027 |
| Original of The Species | U2 | 15754 |
| Original Prankster | Offspring | 20371 |
| Original Prankster | Offspring | 21643 |
| Original Sin | Inxs | 2426 |
| Original Sin | Inxs | 3770 |
| Original Sin | Inxs | 19681 |
| Orinoco Flow | Enya | 14720 |
| Orinoco Flow (Sail Away) | Enya | 2552 |
| Orpheus | Ash | 2718 |
| Other Mans Grass Is Always Greener | Petula Clark | 21048 |
| Other Side of The World | Kt Tunstall | 19991 |
| Other Side, The | Jason Derulo | 23400 |
| Other Side, The | Red Hot Chili Peppers | 1837 |
| Otherside | Red Hot Chili Peppers | 13905 |
| Ouch | N-Dubz | 16127 |
| Our Country | Mellencamp, John | 8528 |
| Our Day Will Come | Ruby & Romantics | 13744 |
| Our Day Will Come | Ruby & The Romantics | 4164 |
| Our Day Will Come | Winehouse, Amy | 5151 |
| Our House | Crosby, Stills, Nash & Young | 19957 |
| Our House | Madness | 4884 |
| Our House | Madness | 10047 |
| Our House Is A Home | Irish Standard | 4621 |
| Our Last Night | Kenny Chesney | 21919 |
| Our Lips Are Sealed | Go Go's | 6936 |
| Our Lives | Calling, The | 3371 |
| Our Lives | Calling, The | 11132 |
| Our Lives | Calling, The | 15464 |
| Our Love Is Here To Stay | Stewart, Rod | 3354 |
| Our Song | Swift, Taylor | 16377 |
| Our Time | Allen, Lily | 18800 |
| Our Time Is Now | Plain White T's | 16045 |
| Our Time Now | Plain White T's | 211 |
| Our Velocity | Maximo Park | 15904 |
| Ours | Sugar Ray | 8011 |
| Ouside | Harris, Calvin Feat Ellie Goulding | 19004 |
| Out In The Fields | Moore, Gary | 4384 |
| Out of Control | Hoobastank | 7071 |
| Out of Control | Hoobastank | 11072 |
| Out of Control | Hoobastank | 18388 |
| Out of Exile | Audioslave | 218 |
| Out of Goodbyes | Maroon 5 Ftg. Lady Antebellum | 4001 |
| Out of Hand | Stewart, Gary | 5715 |
| Out of My Head & Back In My Bed | Lynn, Loretta | 12235 |
| Out of My Head And Back In My Bed | Loretta Lynn | 23247 |
| Out of My Heart | Bb Mak | 19363 |
| Out of Reach | Gabrielle | 5999 |
| Out of Tears | Rolling Stones | 5704 |
| Out Of The Black | Royal Blood | 19186 |
| Out of The Blue | Delta Goodrem | 15533 |
| Out of The Blue | Gibson, Debbie | 6883 |
| Out of The Blue | Goodrem, Delta | 2537 |
| Out Of The Woods | Swift, Taylor | 18973 |
| Out Of The Woods | Swift, Taylor | 23802 |
| Out Of The Woods | Swift, Taylor | 23852 |
| Out of Time | Blur | 9791 |
| Out of Time | Farlow, Chris | 2822 |
| Out of Touch | Hall & Oates | 1066 |
| Out of Touch | Hall & Oates | 6781 |
| Out of Your Shoes | Lorrie Morgan | 20629 |
| Out On The Tiles | Led Zeppelin | 7286 |
| Outrageous | Spears, Britney | 6830 |
| Outside | Aaron Lewis-Fred Durst | 20298 |
| Outside | Harris, Calvin feat. Ellie Goulding | 18987 |
| Outside (Dance Mix) | Michael, George | 12756 |
| Outside Woman Blues | Clapton, Eric | 1482 |
| Outside Woman Blues | Cream | 1598 |
| Outsider, The | Perfect Circle, A | 11121 |
| Outta Here | Denters, Esmee | 16255 |
| Outta My Head (Ay Ya Ya) | Simpson, Ashlee | 213 |
| Over | Lindsay Lohan | 20105 |
| Over | Lohan, Lindsay | 11009 |
| Over & Over | Nelly & Tim Mcgraw | 15594 |
| Over and Over | Dave Clark Five, The | 3251 |
| Over and Over | Nelly & Tim Mcgraw | 20098 |
| Over At The Frankenstein Place | Rocky Horror Picture Show | 15075 |
| Over At The Frankenstein Place | Rocky Horror Show, The | 377 |
| Over My Head | Fleetwood Mac | 6460 |
| Over My Head | Fleetwood Mac | 11310 |
| Over My Head | Fray | 20038 |
| Over My Head (Cable Car) | Fray, The | 15932 |
| Over The Rainbow | Casidy, Eva | 11349 |
| Over The Rainbow | Cassidy, Eva | 4603 |
| Over The Rainbow | Cassidy, Eva | 4754 |
| Over The Rainbow | Garland, Judy | 3814 |
| Over The Rainbow | Garland, Judy | 11787 |
| Over The Rainbow | Garland,judy | 5890 |
| Over The Rainbow | Harris, Sam | 3355 |
| Over The Rainbow | Judy Garland | 14058 |
| Over The Rainbow | Streisand, Barbra | 6647 |
| Over The Rainbow | Thorpe, Billy | 2422 |
| Over The Rainbow-What A Wonderful World | Kamakawiwo'ole, Israel | 9477 |
| Over You | Ferry, Brian & Roxy Music | 2777 |
| Over You | Puckett, Gary & The Union Gap | 5503 |
| Over You | Puckett, Gary & The Union Gap | 12568 |
| Overjoyed | Wonder, Stevie | 13035 |
| Overload | Rotten, Dot | 5250 |
| Overnight Celebrity | Twista | 11238 |
| Overprotected | Britney Spears | 5748 |
| Overprotected | Britney Spears | 20399 |
| Overprotected | Spears, Britney | 7005 |
| Overrated | Donaghy, Siobhan | 2545 |
| Overs | Simon & Garfunkel | 12469 |
| Own This Club | Priest, Marvin | 565 |
| Owner of A Lonely Heart | Yes | 19872 |
| Oxford Comma | Vampire Weekend | 16077 |
| Oxygens Gone | Die Trying | 20419 |
| Oye Como Va | Santana | 2734 |
| Oye Mi Canto | Estefan, Gloria | 10611 |
| Oye Mi Canto | Estefan, Gloria | 11471 |
| Oye Mi Canto | N.O.R.E. & Nina Sky & Et Al | 11259 |
| Oye Mi Canto | N.O.R.E.-Ninasky | 19503 |
| Oye Mi Canto (Radio Version) | N.O.R.E. & Nina Sky & Daddy Yankee | 8597 |
| Oyeme | Enrique Iglesias | 14158 |