爱尔兰DJ，主要写电子舞曲。
John O'Callaghan、Josie、Giuseppe Ottaviani
Key4050、John O'Callaghan、Bryan Kearney
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
