| # | Artist name | Track title | Duration | Option to |
| 5351 | O.P.M. | One Giant Step | 00:03:54 | |
| 5352 | Object One | Ping Pong (Happy House P90 edit) | 00:04:22 | |
| 5353 | Object One | Ping Pong (Massive Underground Radio Edit) | 00:03:13 | |
| 5354 | Object One | Ping Pong (Radio Track) | 00:03:26 | |
| 5355 | Object One | Ping Pong (Basic Track) | 00:03:56 | |
| 5356 | Object One | Ping Pong (P90 First Remix Edit) | 00:03:55 | |
| 5357 | Obscure FM | Micheal Jackson Is In Heaven Now (Club) | 00:04:33 | |
| 5358 | Obscure FM | Micheal Jackson Is In Heaven Now | 00:02:27 | |
| 5359 | Obsessive | Tune in, turn out | 00:03:57 | |
| 5360 | Obstruction | I Want You Forever (P90 Edit) | 00:03:43 | |
| 5361 | Oddyssey | Going Back To My Roots (Remixed Radio Version) | 00:03:52 | |
| 5362 | Odyssey | Let Yourself Go! (Radio Remix) | 00:03:36 | |
| 5363 | Odyssey | Riding On A Train (Radio Edit) | 00:04:02 | |
| 5364 | Odyssey | Winter Night | 00:03:49 | |
| 5365 | Odyssey | Everybody Move (Radio Mix) | 00:03:45 | |
| 5366 | Odyssey | Riding On A Train (Odessey P90 Remix Edit) | 00:03:28 | |
| 5367 | Off | La Casa Latina (Aire Del Campo P90 Edit) | 00:03:33 | |
| 5368 | Off Shore | I Can't Take The Power | 00:04:10 | |
| 5369 | Off-Shore | I Got A Little Song (Togetherness Edit) | 00:03:48 | |
| 5370 | Off-Shore Feat. Jocelyn Brown | Got To Get Away (Radio Mix) | 00:03:51 | Unavailable |
| 5371 | Offshore | I Can't Take The Power (Riva P90 Edit) | 00:03:29 | |
| 5372 | Ofra Haza | Show Me | 00:03:37 | |
| 5373 | Oh Well | Radar Love (DMC P90 Edit) | 00:02:58 | |
| 5374 | Ohm | Trip To Paradise (Radio Version) | 00:03:48 | |
| 5375 | Ol' Dirty Bastard Featuring Kelis | Got Your Money (Dj Chaos Remix) | 00:06:09 | |
| 5376 | Olav Basoski | Gotta Get Movin' (P90 Edit) | 00:04:56 | |
| 5377 | Olav Basoski | Moscow Street Rock (P90 Half The Bet Edit) | 00:03:10 | |
| 5378 | Oleta Adams | Circle Of One (Remix) | 00:03:30 | Unavailable |
| 5379 | Oleta Adams | Never Knew (DT's Mercury P90 Edit) | 00:04:17 | Unavailable |
| 5380 | Oleta Adams | Never Knew Love (Reversend Jefferson Edit) | 00:03:59 | Unavailable |
| 5381 | Oleta Adams | Rhythm Of Life (Reverend Jefferson's P90 Deeper Rhythm Edit) | 00:04:48 | Unavailable |
| 5382 | Olga | I'm A Bitch (House Nation Mix) | 00:04:05 | |
| 5383 | Olive | You're Not Alone (Radio Edit) | 00:04:07 | |
| 5384 | Olive | You're Not Alone (Tin Tin Out P90 Remix Edit) | 00:04:38 | |
| 5385 | Oliver Cheatham | Get Down Saturday Night '99 (Part I P90 Edit) | 00:03:39 | |
| 5386 | Oliver Cheatham | Get Down Saturday Night '99 (Part II P90 Edit) | 00:03:50 | |
| 5387 | OMC | How Bizarre (Flexifinger Edit) | 00:03:27 | |
| 5388 | OMD | Apollo XI | 00:04:09 | |
| 5389 | OMD | Call My Name | 00:04:14 | |
| 5390 | OMD Vs. Sash! | Enola Gay | 00:04:04 | |
| 5391 | On The Blag | Party Children In The Warehouse (P90 Edit) | 00:04:41 | |
| 5392 | Once Again | Nessaja (Commercial Childhood Mix) | 00:04:32 | |
| 5393 | One II 3 | Make Up Your Mind | 00:04:36 | Unavailable |
| 5394 | One Two | Lay All Your Love On Me | 00:03:47 | |
| 5395 | Opus 808 | Don't Turn Away (Radio Mix) | 00:03:44 | |
| 5396 | Opus III | It's A Fine Day (Edit Version) | 00:03:29 | Unavailable |
| 5397 | Opus III | When You Made The Mountain (Original Edit) | 00:03:22 | Unavailable |
| 5398 | Opus III | When You Made The Mountain (The Paul Gotel P90 Edit) | 00:04:56 | Unavailable |
| 5399 | Opus Magnum | Rave To The Joy | 00:03:10 | |
| 5400 | Opus Magnum | The House Messiah (Halleluja) (Radio Edit) | 00:03:06 | |