Digital Universe (Mixed by John O'Callaghan)

DANCE · 2008

A State of Trance 550 (Mixed by Armin van Buuren, Dash Berlin, John O'Callaghan, Arty & Ørjan Nilsen)

A State of Trance 550 (Mixed by Armin van Buuren, Dash Berlin, John O'Callaghan, Arty & Ørjan Nilsen)

2012
Big Sky (feat. Audrey Gallagher) - EP

Big Sky (feat. Audrey Gallagher) - EP

2007
Cloudsurfer (A Dreamstate Anthem) - Single

Cloudsurfer (A Dreamstate Anthem) - Single

2023
Never Fade Away (Bonus Track Version)

Never Fade Away (Bonus Track Version)

2009
Subculture (Mixed By John O'Callaghan & Cold Blue)

Subculture (Mixed By John O'Callaghan & Cold Blue)

2018
Out of Nowhere (feat. Josie) [Giuseppe Ottaviani Remix] - Single

Out of Nowhere (feat. Josie) [Giuseppe Ottaviani Remix] - Single

2018
John O'Callaghan & Giuseppe Ottaviani at Dreamstate Socal, 2023 (DJ Mix)

John O'Callaghan & Giuseppe Ottaviani at Dreamstate Socal, 2023 (DJ Mix)

2023

Enhanced Sessions Volume Two, Mixed by Tritonal and Ferry Tayle

Enhanced Sessions Volume Two, Mixed by Tritonal and Ferry Tayle

Tritonal & Ferry Tayle

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