John Castle is one of Australia’s most in-demand producers, writers, and mixing engineers, with a reputation for adventurous production and fresh, pop-leaning mixes. Working from his own Late Night Audio Studio in Launceston, Tasmania, John has built a devoted following for his distinctive sound.
A multi-ARIA Award–nominated producer, John’s credits include a string of multi-platinum and award-winning records. His work on Megan Washington’s breakthrough I Believe You Liar set the stage for his international success with Vance Joy’s Riptide, which he co-produced and mixed. Riptide hit the US Top 30 Billboard chart, reached #1 on Billboard’s Alternative Chart, climbed into the UK Top 10, and has now surpassed 3 billion streams.
Across genres — from indie, folk, and pop to rock, soul, and hip-hop — John brings a rare ability to guide artists into fresh sonic territory. His credits span Cub Sport, Paul Kelly, Tim Rogers,Megan Washington, Vance Joy, Lance Ferguson, Alex Lahey, The Bamboos, Thelma Plum, Josh Pyke, and Kate Miller-Heidke. His productions consistently achieve one of the highest strike rates on Australian radio.
Known for his inventive arrangements and multi-instrumental skills, John often plays multiple parts on his productions and is increasingly recognised for his songwriting. Beyond the studio, he has toured the world as a bass player, drummer, and front-of-house engineer, giving him a wealth of live experience that informs his studio craft.