| 2025-05-09 |  Riverside - Paul Denton Remix @ Subculture @ 2025-05-09 | 1 | Trance (Main Floor) | John O'Callaghan - Riverside (Paul Denton Extended Remix)6:15 | |
| 2025-04-25 |  Crystal Caverns @ Subculture @ 2025-04-25 | 1 | Trance (Main Floor) | John O'Callaghan - Crystal Caverns (Extended Mix)6:51 | |
| 2025-03-21 |  Memphis @ Subculture @ 2025-03-21 | 1 | Trance (Main Floor) | John O'Callaghan - Memphis (Extended Mix)6:32 | |
| 2025-02-14 |  Reflections @ Subculture @ 2025-02-14 | 1 | Trance (Main Floor) | John O'Callaghan, Nikolauss - Reflections (Extended Mix)7:19 | |
| 2024-12-20 |  Future Sound of Egypt Best of 2024 @ FSOE @ 2024-12-20 | 2 | Trance (Main Floor) | John O'Callaghan - Autumn Avenue (Extended Mix)7:00 | |
| 2024-11-16 |  Black Hole Trance Music 11-24 @ Black Hole Recordings @ 2024-11-15 | 7 | Trance (Main Floor) | John O'Callaghan, Paul Skelton, Ren Faye - May The Road Rise (Extended Mix)8:05 | |
| 2024-10-25 |  Autumn Avenue @ FSOE @ 2024-10-25 | 1 | Trance (Main Floor) | John O'Callaghan - Autumn Avenue (Extended Mix)7:00 | |
| 2024-09-22 |  May The Road Rise @ Subculture @ 2024-09-20 | 1 | Trance (Main Floor) | John O'Callaghan, Paul Skelton, Ren Faye - May The Road Rise (Extended Mix)8:05 | |
| 2024-07-13 |  Black Hole Trance Music 07-24 @ Black Hole Recordings @ 2024-07-12 | 23 | Trance (Main Floor) | John O'Callaghan, Bryan Kearney, Key4050 - Feel Less (Extended Mix)5:24 | |
| 2024-06-14 |  Black Hole Trance Music 06-24 @ Black Hole Recordings @ 2024-06-14 | 16 | Trance (Main Floor) | John O'Callaghan, Joint Operations Centre - Timelapse (Extended Mix)6:34 | |
| 2024-05-17 |  Find Yourself - Multunes Remix @ Armada Captivating @ 2024-05-17 | 1 | Trance (Main Floor) | Sarah Howells, John O'Callaghan - Find Yourself feat. Sarah Howells (Multunes Extended Remix)4:51 | |
| 2024-04-12 |  Timelapse @ Subculture @ 2024-04-12 | 1 | Trance (Main Floor) | John O'Callaghan, Joint Operations Centre - Timelapse (Extended Mix)6:34 | |
| 2024-02-23 |  Pebble Beach @ Subculture @ 2024-02-23 | 1 | Trance (Main Floor) | John O'Callaghan - Pebble Beach (Extended Mix)6:45 | |
| 2024-02-23 | Pebble Beach @ Subculture @ 2024-02-23 | 2 | Electronica | John O'Callaghan - Pebble Beach (Peaceful Mix)1:55 | |
| 2023-12-08 |  Find Yourself - Yosuf Remix @ Armada Music @ 2023-12-08 | 1 | Hard Dance / Hardcore / Neo Rave | Sarah Howells, John O'Callaghan - Find Yourself feat. Sarah Howells (Yosuf Extended Remix)3:14 | |
| 2023-10-28 |  Big Sky - Asteroid & Paul Skelton Remix @ Who's Afraid Of 138?! @ 2023-10-27 | 1 | Trance (Main Floor) | John O'Callaghan, Audrey Gallagher - Big Sky feat. Audrey Gallagher (Asteroid & Paul Skelton Extended Remix)6:59 | |
| 2023-08-11 |  Black Hole Trance Music 08-23 @ Black Hole Recordings @ 2023-08-11 | 23 | Trance (Main Floor) | John O'Callaghan, Sinead McCarthy, Tom Colontonio - Reality (Extended Mix)6:37 | |
| 2023-06-16 |  Black Hole Trance Music 07-23 @ Black Hole Recordings @ 2023-07-21 | 24 | Trance (Main Floor) | John O'Callaghan - Impulse Barrier (Extended Mix)5:52 | |
| 2023-06-16 |  Reality @ Subculture @ 2023-06-16 | 1 | Trance (Main Floor) | John O'Callaghan, Sinead McCarthy, Tom Colontonio - Reality (Extended Mix)6:37 | |
| 2023-04-08 |  Impulse Barrier @ Subculture @ 2023-04-07 | 1 | Trance (Main Floor) | John O'Callaghan - Impulse Barrier (Extended Mix)5:52 | |
| 2023-03-31 |  Find Yourself - Karney Dark Dub @ Armind (Armada) @ 2023-03-31 | 1 | Trance (Main Floor) | Sarah Howells, John O'Callaghan - Find Yourself feat. Sarah Howells (Extended Karney Dark Dub)7:26 | |
| 2023-02-24 |  Out Of Nowhere - Connor Woodford Remix @ Who's Afraid Of 138?! @ 2023-02-24 | 1 | Trance (Main Floor) | John O'Callaghan, Josie - Out Of Nowhere feat. Josie (Connor Woodford Extended Remix)6:58 | |
| 2022-12-09 |  FSOE 750 - Kings & Queens @ FSOE @ 2022-12-09 | 8 | Trance (Main Floor) | John O'Callaghan, Kathryn Gallagher - Mess Of A Machine (Billy Gillies Extended Remix)7:53 | |
| 2022-03-11 |  Mess Of A Machine - Billy Gillies Remix @ Who's Afraid Of 138?! @ 2022-03-11 | 1 | Trance (Main Floor) | John O'Callaghan, Kathryn Gallagher - Mess Of A Machine (Billy Gillies Extended Remix)7:53 | |
| 2022-01-16 |  Never Fade Away - Maarten de Jong Remix @ Who's Afraid Of 138?! @ 2022-01-14 | 1 | Trance (Main Floor) | John O'Callaghan, Lo-Fi Sugar - Never Fade Away feat. Lo-Fi Sugar (Maarten de Jong Extended Remix)6:12 | |
| 2021-10-04 |  Factor B Presents Theatre of the Mind @ Theatre of the Mind @ 2021-10-04 | 18 | Trance (Main Floor) | John O'Callaghan, Factor B - The Oath (Original Mix)9:54 | |
| 2021-06-04 |  Big Sky - Andrew Rayel Remix @ Armind (Armada) @ 2021-06-04 | 1 | Trance (Main Floor) | John O'Callaghan, Audrey Gallagher - Big Sky feat. Audrey Gallagher (Andrew Rayel Extended Remix)6:05 | |
| 2021-01-09 |  Find Yourself - Scorz Remix @ Armada Music @ 2021-01-08 | 1 | Trance (Main Floor) | Sarah Howells, John O'Callaghan - Find Yourself feat. Sarah Howells (Scorz Extended Remix)6:50 | |
| 2020-11-21 |  Black Hole Trance Music 11-20 @ Black Hole Recordings @ 2020-11-20 | 12 | Trance (Main Floor) | John O'Callaghan - Complex Solution (Original Mix)7:50 | |
| 2020-08-11 |  Discover Trance @ Discover Records (UK) @ 2020-08-07 | 14 | Trance (Main Floor) | John Askew, John O'Callaghan - Game Over (John O'Callaghan Remix)9:05 | |
| 2020-07-15 |  Recoverworld Radio 033 @ Discover Records (UK) @ 2020-07-10 | 5 | Trance (Main Floor) | John Askew, John O'Callaghan - Game Over (John Askew Remix)8:59 | |
| 2020-06-12 |  Game Over @ Discover Records (UK) @ 2020-06-12 | 1 | Trance (Main Floor) | John Askew, John O'Callaghan - Game Over (John Askew Remix)8:59 | |
| 2020-06-12 | Game Over @ Discover Records (UK) @ 2020-06-12 | 2 | Trance (Main Floor) | John Askew, John O'Callaghan - Game Over (John O'Callaghan Remix)9:05 | |
| 2020-06-12 | Game Over @ Discover Records (UK) @ 2020-06-12 | 3 | Trance (Main Floor) | John Askew, John O'Callaghan - Game Over (Ian Betts Remix)7:49 | |
| 2019-10-28 |  Future Sound Of Egypt 600 - Sands Of Time @ FSOE @ 2019-10-28 | 8 | Trance (Main Floor) | John O'Callaghan - Hammers At Dawn (Original Mix)2:58 | |
| 2019-08-09 |  Striker - Liam Wilson Remix @ Who's Afraid Of 138?! @ 2019-08-09 | 1 | Trance (Main Floor) | John O'Callaghan - Striker (Liam Wilson Extended Remix)7:35 | |
| 2019-02-17 |  Black Hole Trance Music 02-19 @ Black Hole Recordings @ 2019-02-15 | 9 | Trance (Main Floor) | John O'Callaghan, Deirdre McLaughlin - Stay With Me (Factor B Extended Remix)8:21 | |
| 2019-01-22 |  Black Hole Trance Music 01-19 @ Black Hole Recordings @ 2019-01-18 | 13 | Trance (Main Floor) | John O'Callaghan, Cold Blue - Symmetric (Extended Mix)8:00 | |
| 2018-07-20 |  In Trance We Trust 022 @ In Trance We Trust @ 2018-07-20 | 13 | Trance (Main Floor) | John O'Callaghan - Next Stop Muddy Waters (Original Mix)7:10 | |
| 2018-06-15 |  Black Hole Trance Music 06-18 @ Black Hole Recordings @ 2018-06-15 | 4 | Trance (Main Floor) | John O'Callaghan - Choice of the Angels (Original Mix)8:44 | |
| 2018-05-25 |  Our Destiny @ Subculture @ 2018-05-25 | 1 | Trance (Main Floor) | John O'Callaghan, Stine Grove - Our Destiny (Original Mix)8:40 | |
| 2018-04-13 |  Global DJ Broadcast - Top 20 April 2018 @ Coldharbour Recordings @ 2018-04-13 | 17 | Trance (Main Floor) | John O'Callaghan - Next Stop Muddy Waters (Original Mix)7:10 | |
| 2018-04-13 |  Black Hole Trance Music 04-18 @ Black Hole Recordings @ 2018-04-13 | 11 | Trance (Main Floor) | John O'Callaghan - Next Stop Muddy Waters (Original Mix)7:10 | |
| 2018-04-06 |  Choice of the Angels @ Subculture @ 2018-04-06 | 1 | Trance (Main Floor) | John O'Callaghan - Choice of the Angels (Original Mix)8:44 | |
| 2018-03-30 |  Who's Afraid Of 138?! 2018 - Extended Versions @ Who's Afraid Of 138?! @ 2018-03-30 | 8 | Trance (Main Floor) | John O'Callaghan - Next Stop Muddy Waters (Extended Mix)7:10 | |
| 2018-03-16 |  A State Of Trance Top 20 - March 2018 (Selected by Armin van Buuren) [Miami Edition] - Extended Versions @ Armada Music Albums @ 2018-03-16 | 20 | Trance (Main Floor) | John O'Callaghan - Next Stop Muddy Waters (Extended Mix)7:10 | |
| 2018-03-09 |  Black Hole Recordings Miami 2018 @ Black Hole Recordings @ 2018-03-09 | 15 | Trance (Main Floor) | John O'Callaghan - Next Stop Muddy Waters (Original Mix)7:10 | |
| 2018-02-18 |  Next Stop Muddy Waters @ Subculture @ 2018-02-16 | 1 | Trance (Main Floor) | John O'Callaghan - Next Stop Muddy Waters (Original Mix)7:10 | |
| 2018-02-16 |  A State Of Trance 850 (The Official Album) - Extended Versions @ Armada Music Albums @ 2018-02-16 | 13 | Trance (Main Floor) | John O'Callaghan - Two Trees (Original Mix)6:49 | |
| 2017-11-10 |  Trance Top 1000 - The Anthems - Extended Versions @ Armada Music Albums @ 2017-11-10 | 25 | Trance (Main Floor) | John O'Callaghan, Audrey Gallagher - Big Sky feat. Audrey Gallagher (Agnelli & Nelson Extended Remix)8:35 | |
| 2017-08-04 |  Trance Top 1000 Selection, Vol. 46 - Extended Versions @ ARVA @ 2017-08-04 | 5 | Trance (Main Floor) | Orjan Nilsen, John O'Callaghan - Crispy Duck (Original Mix)7:00 | |
| 2017-05-19 |  Two Trees @ Subculture @ 2017-05-05 | 1 | Trance (Main Floor) | John O'Callaghan - Two Trees (Original Mix)6:49 | |
| 2017-03-31 |  Vocal Trance Classics 009 - Extended Versions @ ARVA @ 2017-03-31 | 7 | Trance (Main Floor) | John O'Callaghan, Audrey Gallagher - Big Sky feat. Audrey Gallagher (EDX's Russian Winter Remix)7:01 | |
| 2016-10-28 |  Department Of Classics - Trance - Extended Versions @ Armada Music Albums @ 2016-10-28 | 21 | Trance (Main Floor) | Sarah Howells, John O'Callaghan - Find Yourself feat. Sarah Howells (Heatbeat Remix / John O'Callaghan Rework)7:31 | |
| 2016-10-24 |  The Forging of Steel @ GO MUSIC @ 2016-10-10 | 1 | Trance (Main Floor) | John O'Callaghan - The Forging of Steel (Original Mix)7:45 | |
| 2016-10-01 |  A State Of Trance - 15 Years @ Armada Music Albums @ 2016-09-30 | 10 | Trance (Main Floor) | John O'Callaghan, Audrey Gallagher - Big Sky feat. Audrey Gallagher (Agnelli & Nelson Remix)3:06 | |
| 2016-07-15 |  Black Hole Trance Music 07-16 @ Black Hole Recordings @ 2016-07-15 | 17 | Trance (Main Floor) | John O'Callaghan, Clare Stagg - Lies Cost Nothing (Original Mix)6:43 | |
| 2016-07-08 |  Lies Cost Nothing - Will Atkinson Remix @ Subculture @ 2016-06-24 | 1 | Trance (Main Floor) | John O'Callaghan, Clare Stagg - Lies Cost Nothing (Will Atkinson Remix)8:20 | |
| 2016-06-03 |  Ibiza Opening Party @ Black Hole Recordings @ 2016-06-03 | 23 | Trance (Main Floor) | John O'Callaghan, Clare Stagg - Lies Cost Nothing (Original Mix)6:43 | |
| 2016-06-03 |  Trance Top 1000 Selection, Vol. 40 - Extended Versions @ ARVA @ 2016-06-03 | 7 | Trance (Main Floor) | John O'Callaghan, Lo-Fi Sugar - Never Fade Away feat. Lo-Fi Sugar (Giuseppe Ottaviani Extended Remix)8:02 | |
| 2016-05-27 |  Lies Cost Nothing @ Subculture @ 2016-05-13 | 1 | Trance (Main Floor) | John O'Callaghan, Clare Stagg - Lies Cost Nothing (Original Mix)6:43 | |
| 2016-05-27 | Lies Cost Nothing @ Subculture @ 2016-05-13 | 2 | Electronica | John O'Callaghan, Clare Stagg - Lies Cost Nothing (Chillout Mix)2:29 | |
| 2016-04-22 |  Trance Top 1000 Selection, Vol. 39 - Extended Versions @ ARVA @ 2016-04-22 | 2 | Trance (Main Floor) | John O'Callaghan, Audrey Gallagher - Big Sky feat. Audrey Gallagher (Ben Gold Festival Extended Remix)6:54 | |
| 2016-03-11 |  Trance Top 1000 Selection, Vol. 37 - Extended Versions @ ARVA @ 2016-03-11 | 11 | Trance (Main Floor) | John O'Callaghan, Lo-Fi Sugar - Never Fade Away feat. Lo-Fi Sugar (Andy Duguid Extended Remix)7:12 | |
| 2016-02-26 |  Trance 100 - 2016 @ Armada Music Albums @ 2016-02-26 | 21 | Trance (Main Floor) | Sarah Howells, John O'Callaghan - Find Yourself feat. Sarah Howells (STANDERWICK Remix)3:50 | |
| 2016-02-05 |  Vocal Trance Hits 2016-01 @ Armada Music Albums @ 2016-02-05 | 8 | Trance (Main Floor) | Sarah Howells, John O'Callaghan - Find Yourself feat. Sarah Howells (STANDERWICK Remix)3:50 | |
| 2016-01-08 |  Who's Afraid Of 138?! Top 15 - 2016-01 - Extended Versions @ Who's Afraid Of 138?! @ 2016-01-08 | 5 | Trance (Main Floor) | Sarah Howells, John O'Callaghan - Find Yourself feat. Sarah Howells (Standerwick Remix)5:39 | |
| 2015-12-18 |  Trance Hits Top 20 - 2015-12 @ ARVA @ 2015-12-18 | 2 | Trance (Main Floor) | Sarah Howells, John O'Callaghan - Find Yourself feat. Sarah Howells (Standerwick Radio Edit)3:50 | |
| 2015-12-04 |  Electric For Life 2015 - Mixed by Gareth Emery @ Garuda (Armada) @ 2015-12-04 | 52 | Trance (Main Floor) | Sarah Howells, John O'Callaghan - Find Yourself feat. Sarah Howells (Standerwick Remix)3:50 | |
| 2015-11-27 |  A State Of Trance Radio Top 20 - November / December 2015 - Including Classic Bonus Track @ Armada Music Albums @ 2015-11-27 | 13 | Trance (Main Floor) | John O'Callaghan - Meridian Bay (Edit)2:50 | |
| 2015-10-23 |  Find Yourself - Standerwick Remix @ Who's Afraid Of 138?! @ 2015-10-23 | 1 | Trance (Main Floor) | Sarah Howells, John O'Callaghan - Find Yourself feat. Sarah Howells (Standerwick Remix)5:39 | |
| 2015-09-25 |  Heavenly Voices: Best of Vocal Trance Classics 2015 @ RNM Bundles (RazNitzanMusic) @ 2015-09-25 | 7 | Trance (Main Floor) | John O'Callaghan, Audrey Gallagher - Big Sky (Agnelli & Nelson Edit)3:13 | |
| 2015-09-18 |  A State Of Trance Radio Top 20 - August / September / October 2015 - Extended Versions @ Armada Music Albums @ 2015-09-18 | 21 | Trance (Main Floor) | Sarah Howells, John O'Callaghan - Find Yourself (Classic Bonus Track) feat. Sarah Howells (Original Mix)7:06 | |