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“I'm in love with Jango”
- USA Today
Find Yourself (Cosmic Gate Remix)
by John O'Callagh… on Ministry of Sound Pr…
Browse Music
Take It All Away (Sean Tyas Remix)
Biography Read More

John O'Callaghan is an Irish DJ, mainly producing electronic dance 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 as well as more recently, trance legend Leon Bolier. His best known track is Big Sky, done with vocalist Audrey Gallagher....