爱尔兰DJ，主要写电子舞曲。
John O'Callaghan、Sarah Howells、Multunes
John O'Callaghan、Audrey Gallagher、Asteroid、Paul Skelton
John O'Callaghan、Alex Holmes
Joint Operations Centre、John O'Callaghan
Giuseppe Ottaviani、John O'Callaghan
John O'Callaghan、Sarah Howells
John O'Callaghan
Giuseppe Ottaviani、John O'Callaghan、dreamSTATE
John O'Callaghan、Sarah Howells、Yosuf
John O'Callaghan、Audrey Gallagher
John O'Callaghan、Paul Skelton、Sue McLaren
John O'Callaghan、Tom Colontonio、Sinead McCarthy
John O'Callaghan、Bryan Kearney
John O'Callaghan、Bryan Kearney、SAM WOLFE
John O'Callaghan、Bryan Kearney、Ralphy B
John O'Callaghan、Bryan Kearney、Ralphie B
John O'Callaghan、Sarah Howells、Karney
