ArtistInfo
John O'Callaghan
p, voc, *2003 IE
Producer of Dance
A.k.a. John Mannix O'Callaghan Henrik Zuberstein Joint Operations Centre Mannix (2)
John O'Callaghan is an Irish musician and DJ, mainly producing trance music. He also produces music under the alias of Joint Operations Centre, Mannix, Henrik Zuberstein and Stenna. He has also collaborated with fellow Discover artists such as Bryan Kearney, Neal Scarborough (as Inertia), Thomas Bronzwaer (as Lost World) and Greg Downey as well as more recently, trance hero Leon Bolier. His best known track is Big Sky, done with vocalist Audrey Gallagher. Callaghan has received remixes by trance artists such as Indecent Noise, The Thrillseekers, Sean Tyas, Gareth Emery, Cosmic Gate and Markus Schulz. He has also worked with Heatbeat and Aly & Fila.
Instruments
Popular Tracks 
Find Yourself on Armada Collected: John O'Callaghan by John O'Callaghan Big Sky on John O'Callaghan Collected by John O'Callaghan Rhea - Chillout Mix on Unfold by John O'Callaghan Cloudsurfer (A Dreamstate Anthem) on Cloudsurfer by Giuseppe Ottaviani & John O'Callaghan Devotion (ASOT 1175) on ASOT 1175 - A State of Trance Episode 1175 [Including Ultra Music Festival 2020] by Armin van Buuren ASOT Radio Find Yourself - Original Mix on Never Fade Away by John O'Callaghan I Don't Deserve You - John O'Callaghan Remix Edit on Subculture 2013 by John O'Callaghan Exactly - Ralphie B Remix on Exactly by John O'Callaghan, Bryan Kearney & Ralphie B Find Yourself - Multunes Remix on Find Yourself by John O'Callaghan, Sarah Howells & Multunes Feel Less on Feel Less by Key4050, John O'Callaghan & Bryan KearneyTrack list and 30sec audio provided by 
Band Members
Discography
| Title | Artist | Year | Type |
|---|---|---|---|
| Subculture | John O'Callaghan And Cold Blue | 2018 | Album |
| Next Stop Muddy Waters | John O'Callaghan | 2018 | Single |
| Choice Of The Angels | John O'Callaghan | 2018 | Single |
| Our Destiny | John O'Callaghan & Stine Grove | 2018 | Single |
| Symmetric | John O'Callaghan & Cold Blue | 2018 | Single |
| Out Of Nowhere (Giuseppe Ottaviani Remix) | John O'Callaghan Feat. Josie | 2018 | Single |
| Two Trees | John O'Callaghan | 2017 | Single |
| Lies Cost Nothing | John O'Callaghan & Clare Stagg | 2016 | Single |
| The Forging Of Steel | John O'Callaghan | 2016 | Single |
| Armada Collected | John O'Callaghan | 2015 | Compil. |
| Adelphos | John O'Callaghan | 2015 | Single |
| Stay With Me | John O'Callaghan & Deirdre McLaughlin | 2015 | Single |
| Total Spectrum EP | John O'Callaghan | 2015 | Album |
| Subculture: The Residents: Volume 2 | John O'Callaghan | 2015 | Compil. |
| Techno Club Vol. 44 | Talla 2XLC And John O'Callaghan | 2014 | Compil. |
| One Special Particle | John O'Callaghan | 2014 | Single |
| Games | John O'Callaghan & Jennifer Rene | 2014 | Single |
| EP | John O'Callaghan | 2014 | Album |
| Subculture: The Residents | John O'Callaghan | 2014 | Compil. |
| Subculture 2013 (Sampler) | John O'Callaghan | 2013 | Single |
| I Believe | John O'Callaghan Feat. Erica Curran | 2013 | Single |
| Riders Of Rohan | John O'Callaghan | 2013 | Single |
| Subculture 2013 | John O'Callaghan | 2013 | Compil. |
| Breathe | John O'Callaghan & Full Tilt Feat. Karen Kelly | 2013 | Single |
| I'll Follow | John O'Callaghan Feat. Ria | 2013 | Album |
| Trance Pioneers 006 | John O'Callaghan | 2013 | Album |
| Sincerely Jors | John O'Callaghan & Ronski Speed | 2013 | Single |
| Adagio For Wings | John O'Callaghan Vs Sied van Riel | 2013 | Single |
| Mess Of A Machine | John O'Callaghan & Kathryn Gallagher | 2012 | Album |
| Las Lilas | John O'Callaghan & Heatbeat | 2012 | Single |
| Boban / Earth2Self | John O'Callaghan | 2012 | Album |
| Unfold (The Remixes) | John O'Callaghan | 2012 | Album |
| Unfold (The Remixes) | John O'Callaghan | 2012 | Album |
| Subculture Selection 2012-03 | John O'Callaghan | 2012 | Album |
| Vapourize | Aly & Fila Vs John O'Callaghan | 2012 | Single |
| Talk To Me | John O'Callaghan & Timmy & Tommy | 2011 | Album |
| Bring Back The Sun | John O'Callaghan & Audrey Gallagher | 2011 | Album |
| Centurion E.P. | John O'Callaghan | 2011 | Album |
| Unfold | John O'Callaghan | 2011 | Album |
| Collected Works 2005-2010 | John O'Callaghan | 2011 | Album |
| Save This Moment | John O'Callaghan & Betsie Larkin | 2011 | Album |
| Ride The Wave | John O'Callaghan & Giuseppe Ottaviani | 2011 | Single |
| The Dream | Betsie Larkin & John O'Callaghan | 2011 | Album |
| Subculture 2011 | John O'Callaghan | 2011 | Album |
| The Bailout | John O'Callaghan | 2011 | Single |
| Perfection | John O'Callaghan Ft. Cathy Burton | 2011 | Single |
| Subculture 2010: The Full Versions Vol.2 | John O'Callaghan | 2010 | Album |
| Subculture 2010: The Full Versions Vol.1 | John O'Callaghan | 2010 | Album |
| Botnik | John O'Callaghan | 2010 | Single |
| Desert Orchid | John O'Callaghan | 2010 | Single |
| Never Fade Away - The Remixes | John O'Callaghan | 2010 | Album |
| Subculture 2010 | John O'Callaghan | 2010 | Album |
| Rhea | John O'Callaghan Vs Neptune Project | 2010 | Single |
| Striker | John O'Callaghan | 2010 | Single |
| Subculture | John O'Callaghan | 2009 | Album |
| Never Fade Away | John O'Callaghan Feat. Lo-Fi Sugar | 2009 | Album |
| Surreal | John O'Callaghan Feat. Jaren | 2009 | Single |
| Find Yourself | John O'Callaghan Feat. Sarah Howells | 2009 | Single |
| Trance Energy | John O'Callaghan And Rank 1 | 2009 | Compil. |
| Our Dimension | Giuseppe Ottaviani & John O'Callaghan | 2009 | Album |
| Never Fade Away (Remix E.P.) | John O'Callaghan | 2009 | Album |
| Never Fade Away | John O'Callaghan | 2009 | Album |
| Digital Universe | John O'Callaghan | 2008 | Album |
| Trance World Volume 4 | John O'Callaghan | 2008 | Album |
| Marshmallow / Bumpercar | John O'Callaghan | 2008 | Single |
| Rotterdam | John O'Callaghan | 2008 | Album |
| Marshmallow | John O'Callaghan | 2008 | Album |
| Split Decision | John O'Callaghan | 2007 | Album |
| Discover Digital E.P. | John Askew / John O'Callaghan | 2007 | Single |
| Dream On / Acid Rain / Pyramid | John O'Callaghan Presents Mannix | 2007 | Album |
| Live As... Vol 2 | John O'Callaghan | 2007 | Album |
| Something To Live For | John O'Callaghan | 2007 | Album |
| Space & Time / Sunday 1AM | John O'Callaghan | 2007 | Album |
| Big Sky | John O'Callaghan Feat. Audrey Gallagher | 2007 | Single |
| The Chamber / Game Over | Inertia / John Askew & John O'Callaghan | 2006 | Album |
| Elevator Dance-Off | John O'Callaghan AKA Joint Operations Centre | 2006 | Album |
| Dark Collabs. EP | John Askew & Matt Hardwick / John O'Callaghan & Greg Downey | 2006 | Single |
| The Digital EP | John O'Callaghan | 2006 | Album |
| Resolutions | John O'Callaghan | 2005 | Album |
| Chameleon | John O'Callaghan | 2005 | Album |
| Stormy Clouds | John O'Callaghan | 2005 | Single |
| Game Over | John Askew & John O'Callaghan | 2005 | Single |
| Foreign Delusions | John O'Callaghan | 2004 | Album |
| Mercury | John O'Callaghan Presents Mannix | 2004 | Album |
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Acknowledgements
To all the music fans that are contributing on Discogs, MusicBrainz and Wikipedia. Thanks to Franz Flückiger for providing Storygram used to visualize band membership.Other Search Results
| John O'Callaghan voc, g, key Rock and Pop |
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