The most charted tracks by John O’Callaghan.

#		Track	Artists/Remixers	Labels	Released
1		Impossible John O'Callaghan Remix	Matt Hardwick, Gulf John O’Callaghan	Armada Digital	21 Dec 2009
2		Don't Look Back John Askew Remix	John O’Callaghan John Askew	Open Gate Records, ...	19 Oct 2009
3		Liquid Fire	John O’Callaghan, Giuseppe Ottaviani	Sony Music, ...	04 May 2009
4		Big Sky (Ben Gold 2012 Mix) (feat. Audrey Gallagher)	John O’Callaghan
5		Big Sky Joint Operations Centre Deconstruction Remix	John O’Callaghan