Album: Armada The Miami Essentials 2011
Artist: Tommy, Activa, Timmy, John O'Callaghan
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Album: Subculture 2013
Artist: John O'Callaghan feat Giuseppe Ottaviani, The Falcons, Solarstone
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Album: Subculture 2013
Artist: John O'Callaghan feat Mark Leanings, Space Rockerz And Tania Zygar
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Album: Closer To The Earth (Arrangement Soundtrack)
Artist: Sue Mclaren, Solis & Sean Truby feat John O'Callaghan
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Album: Trance Energy
Artist: Sander Van Doorn feat Sarah Howells, John O'Callaghan
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Album: Armada At Ibiza - Summer 2006 (CD2)
Artist: Mike Foyle, John O'Callaghan
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Album: Quiet Storm (Remixes)
Artist: Aly & Fila feat Jaren, John O'Callaghan
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Album: The Collected 12 " Mixes Volume 2 (Armind)
Artist: Mike Foyle, John O'Callaghan
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Album: Trance Top 100 Vol. 22 (CD1)
Artist: Josie, John O'Callaghan, 02. John O'callaghan
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Album: Evolution: The Remixes
Artist: Paul Van Dyk feat Plumb, John O'Callaghan
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Album: Everything (Single)
Artist: Stine Grove, The Thrillseekers feat John O'Callaghan
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Album: Concrete Angel (The Remixes)
Artist: Gareth Emery, Christina Novelli feat John O'Callaghan
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Album: A State Of Trance 2012 (CD2: In The Club)
Artist: Gareth Emery, Christina Novelli, John O'Callaghan
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Album: Armin Van Buuren 2012 Top 20
Artist: Gareth Emery, Christina Novelli, John O'Callaghan
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Album: A State Of Trance Radio Top 15: December 2009
Artist: Matt Hardwick, Gulf, John O'Callaghan
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