1) John O'Callaghan is an Irish DJ, mainly producing electronic music. He also produces music under the alias of Joint Operations Centre, Mannix 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. His best known track is Big Sky, done with vocalist Audrey Gallagher, formerly of the 90's alt-rock band Scheer.
John O'Callaghan
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Tomorrowland 2012 Jul 27 - 29, 2012 Boom, Flanders, Belgium Uploaded by Xeix
Spring Awakening 2016 Jun 10 - 12, 2016 Chicago, Illinois, United States Embedded by Mike Daly
EDC NY 2016 May 14 - 15, 2016 New York, New York, United States Uploaded by Lawrence Peryer
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