Elevating your music together

Mixing and mastering engineer John Elleson-Hartley is incredibly passionate about making music sound as good as possible.

Collaborating personally with composers and artists to help bring their tracks and albums to life, ensuring they are completely happy before releasing their music to the world!

John also offers one-to-one online music production coaching and advice for those wanting to improve their skills and sound.

Album artwork for the "Deepest Breath" and "F1 23" soundtrack albums, along with pictures of their composers Nainita Desai and Ian Livingstone.
Album artwork for the "Landscapers" and "Wolf" soundtrack albums, along with pictures of their composers Arthur Sharpe and Chris Roe.

Clients include Emmy & RTS winning composer Nainita Desai, Ivor Novello & BAFTA winning Arthur Sharpe, Ivor nominated composer Chris Roe, Ivor winning Ian Livingstone, Joanna Karselis, Alex Parsons, Marie-Anne Fischer, Marcus Hedges, Miguel d’Oliveira, and Arhynn Descy.

Album artwork for the "Hatter" and "Century Video Game" soundtrack albums, along with pictures of their composers Oleta Haffner and Marcus Hedges.
Album artwork for "Songs From The Dust" album with a picture of artist/composer Joanna Karselis and album artwork for "Coco Chanel Unbuttoned" soundtrack album, along with the picture of it's composer Alex Parsons.

Mixing & Mastering Credits

View works mixed and mastered by John Elleson-Hartley,

MUSIKLAB Credits - Mixing & Mastering by John Elleson-Hartley.
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Marcus Hedges

Marcus Hedges

"John helps my compositions and arrangements reach their full potential with his unwavering attention to detail. He’s attentive to what I want for each project and keeps me involved in the process. Without fail, the end result always exceeds my expectations."

Nainita Desai

Nainita Desai

"I know that from the moment I bring John on board a project, his attitude is utterly professional, he’s easy to work with and has a great nature where no request is too demanding. His work is exemplary, highly creative and he goes that extra mile making my music ‘sing’."

Ollie Howell

Ollie Howell

"It’s a pleasure and a privilege to have John’s ears and expertise on one of my projects. His Mastering brings out so many subtle details in the music and really brings the whole soundtrack to life. Above all, John is a friendly, professional and trusted collaborator to bring on board."

Joanna Karselis

Joanna Karselis

"John has quickly become my go-to mixing and mastering engineer. He has a professional attitude, strong attention to detail, and highly attuned ears. His musicality combined with his commitment to top quality audio makes him a fantastic person to work with. I can't wait to collaborate with him again!"

Picture of Noah Totten

Noah Totten

"I worked with John on my debut EP, and his technical expertise and encouraging spirit paired together to make a smooth and overall exciting musical process. Would highly recommend for anyone unsure on how to give their demos a new life!"

Composer Marie-Anne Fischer

Marie-Anne Fischer

"John’s commitment to excellence in his work is truly remarkable. His unwavering dedication, attention to detail, friendly approach and technical expertise to achieve the highest standards, is evident in every project he has mixed for me, making him a standout professional in his field."

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