From 2003 to 2014 Guy was a partner and director of Trackdown Digital, joining them at the time of their expansion into orchestral film score recording.

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Located adjacent to Fox Studios, it houses the largest purpose built orchestral scoring stage in Australia and is where​ Guy conducted the 140 strong Sydney Symphony Orchestra and Choir for his score to Farscape - Peacekeeper Wars and many more of his film scores.

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Today the main studio is named "The Simon Leadley Scoring Stage" in memory of Guy's business partner and close freind. 

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