
Proficient in all mastering formats while spanning many genres, John has recently mastered multiple UK Top 10 albums for David Bowie, including his latest, Toy and Duran Duran’s 15th Studio Album, Future Past.
AIR Studios Mastering [founded by Beatles producer George Martin] specialise in all formats of analogue and digital mastering, providing high-end audio services to the world’s music industry. In 2019 Air Studios acquired Alchemy Mastering and now boast one of the UK's largest mastering facilities.
John’s portfolio to date includes artists like Clean Bandit, Ashley Singh, Band Of Skulls, L7, Josh Klinghoffer, Primal Scream, Matilda Mann, L7, MF DOOM, Rodrigo Y Gabriela, Echo & the Bunnymen, Coach Party, Hozier and George Michael, including work on his final studio album Symphonica. In 2019, he worked with Anna Meredith on her Mercury Music Prize-nominated album, Fibs.
John’s recent Film and TV score releases include Marvel’s Loki – Natalie Holt, Emma – Isobel Waller-Bridge, David Schweitzer, Alien: Covenant – Jed Kurzel, His Dark Materials – Lorne Balfe and many projects with Clint Mansell, including She Will which earnt John a 2023 MPG Award nomination.
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Credits
201 Reviews - 53 Repeat Clients
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Was a pleasure to work with John who did a beautiful job mastering one of me song!
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Warm, smooth and big. Just the way I wanted my single master to sound. John did a great job.
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Third time with John. Fast turnaround, helpful, great-sounding master. Will be back!
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As always 5-star, John is a pro.
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Great work as always.
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John delivered two great masters for me, bringing each song to new heights. He works fast and is very transparent about timing and deliverables.
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Fantastic as always - highly recommended. The remote service is brilliant if you can't make it down in person.
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Excellent quality, responsiveness and professionalism!
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I keep collaborating with John due to his professionalism, timeliness, quality of service and final mastered production.
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John is very good at what he does and had a quick turnaround between sending the material and the final results for those under time pressure.
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John is fast, responsive, and his work is excellent! Would highly recommend his services and hope to work again with him soon.
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I had a great experience working with John. He answered all my questions, provided useful feedback on the mix, and turned in an excellent final master that both incorporated my feedback and added the right finishing touch to the song. I will definitely work with him again - much recommended.
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Communicative and helpful, fast turnaround time, and, most importantly, a great sounding master. Will definitely be seeking John's services for the next one.
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Professional and timely mastering as always!
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Great as usual
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John is professional, responsive, efficient and produces a great final product!
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Awesome. An honour to have my work Mastered by John at Air Studios.
Great communication and timely turn around. My work sounds even better now....Just brilliant.
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First time with a mastering engineer outside France I wanted a different listening on my mix and John brought the sound I was looking for
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Great session working with John - due to covid our session was remote, but this worked really well with comms over WhatsApp and a live audio feed to monitor the track. Final audio sounds stellar. Looking forward to the next one!
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John made my song shining !!

I was the Mastering Engineer in this production
- Rouge, Limit To Your Love, Before (peak level matched) & After (mastered)
- Marco Borgo, All Ways, Before (peak level matched) & After (mastered)
- Mastering EngineerContact for pricing
A reasonable amount of mastering revisions included, re-submitted mixes and additional versions of the same mix are charged additionally.
- Sontec MES-430b
- API 2500
- TG12345
- Cranesong STC 8
- Dangerous Music Comp/Baxx
- Thermonic Culture Phoenix
- Thermonic Swift
- ATC 150ASL monitors
- Cranesong Avocet (Monitor Control)
- Crane Song HEDD Quantum