John O'Callaghan & Cold Blue • 2018
John O'Callaghan • 2012
John O'Callaghan • 2011
John O'Callaghan • 2009
John O'Callaghan • 2007
John O'Callaghan, Sue McLaren & Paul Skelton • 2026
Greg Downey & John O'Callaghan • 2025
John O'Callaghan & Bryan Kearney • 2025
Sam Wolfe • 2023
![Exactly (Ralphie B + Sam Wolfe Remixes) [feat. John O'Callaghan, Bryan Kearney & Ralphie B.] - Single](https://is1-ssl.mzstatic.com/image/thumb/Music116/v4/5f/c1/d2/5fc1d27c-f609-b38e-1dd4-ae6193a5c52d/8718525301831.png/300x300bb.jpg)