Interval Mastering

Interval Mastering Premium mixing and mastering services by award-winning engineer Thomas Harsem. Get in touch for a quote: [email protected]

Based in Sweden 🇸🇪

Book your session or request a quote: [email protected]

Orange Skyline 'I Guess I'm Sure' 🇳🇱🎶Produced and mixed by Martijn GroeneveldMastered by Thomas Harsem at IntervalRelea...
11/11/2025

Orange Skyline 'I Guess I'm Sure' 🇳🇱🎶

Produced and mixed by Martijn Groeneveld
Mastered by Thomas Harsem at Interval
Released via Sony Music Netherlands

Thanks to all involved!






Martin Jasper 'Better Man' Produced & mixed by Rangel Silaev 👑Mastered by Thomas Harsem at Interval 🚀Thanks to all inv...
08/11/2025

Martin Jasper 'Better Man'

Produced & mixed by Rangel Silaev 👑
Mastered by Thomas Harsem at Interval 🚀

Thanks to all involved ✨






Peter Sandberg 'Waltzing with a Stranger' — single out now ✨ Taken from the album 'Temporary Coexistence of Humans", to...
31/10/2025

Peter Sandberg 'Waltzing with a Stranger' — single out now ✨ Taken from the album 'Temporary Coexistence of Humans", to be released 1 May 2026 via Warner Classics 🎹

Produced by Peter Sandberg
Mixed by Johan Eckeborn
Mastered by Thomas Harsem at Interval

Thanks to all involved 🎯






Swiss indie band INTERHUMAN release CLOSER as a first glimpse into to their upcoming double EP 📀 Stay tuned! ✨ Mixed an...
17/10/2025

Swiss indie band INTERHUMAN release CLOSER as a first glimpse into to their upcoming double EP 📀 Stay tuned! ✨ Mixed and mastered by Thomas Harsem at Interval.

Thanks to all involved!
🇨🇭🇸🇪





Aery — Nowhere Stranger 👑 out now on all platformsThe album was produced by Aery, co-produced, mixed and mastered by Tho...
03/10/2025

Aery — Nowhere Stranger 👑 out now on all platforms

The album was produced by Aery, co-produced, mixed and mastered by Thomas Harsem at Interval. 'Sick Heart' was mastered by Chris Athens. 'Red Carpet' was mixed and mastered by Anton Sundell.

Thanks to all involved!









🇧🇪 Het Zesde Metaal 'Randgevallen' 📀 The album was produced by Frederik Segers, mixed by Jasper Maekelberg and mastered ...
03/10/2025

🇧🇪 Het Zesde Metaal 'Randgevallen' 📀

The album was produced by Frederik Segers, mixed by Jasper Maekelberg and mastered at Interval by Thomas Harsem.

Thanks to all involved 👏👏

Frederik Segers




Swedish indie outfit Aery tease the upcoming album with their new single 'Baltimore' 🚀 co-produced, mixed and mastered a...
12/09/2025

Swedish indie outfit Aery tease the upcoming album with their new single 'Baltimore' 🚀 co-produced, mixed and mastered at Interval by Thomas Harsem



Each song receives a unique treatment that will amplify your artistic vision and prepare the track for release.No s...
02/09/2025

Each song receives a unique treatment that will amplify your artistic vision and prepare the track for release.

No shortcuts or blueprints ❌

From micro details to the big picture, everything is shaped for translation, balance and emotional resonance.

Release with confidence 💪 🚀

❔Have questions about mixing or mastering?
💬 Drop us a message — we’re here to help 🇸🇪

Isabella 'Dà Senso Alla Vita' 🎵 Produced & mixed by Marten Thielges Mastered by Thomas Harsem at Interval✨ ✨ ...
02/09/2025

Isabella 'Dà Senso Alla Vita' 🎵
Produced & mixed by Marten Thielges
Mastered by Thomas Harsem at Interval
✨



✨

🇳🇱 Nonchelange 'Souvenir (med Pensioen)' 🎵 NEW SINGLE out on all platforms ✨ ↳Produced and mixed by NONCHELANGE Mastere...
01/09/2025

🇳🇱 Nonchelange 'Souvenir (med Pensioen)' 🎵 NEW SINGLE out on all platforms ✨
↳
Produced and mixed by NONCHELANGE
Mastered by Thomas Harsem at Interval Mastering

👉 If you’re an artist looking for cutting-edge mastering, let’s connect!
📩 DM/email for a free quote
🔗 www.intervalmastering.com


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Uppsala

Öppettider

Måndag 09:00 - 18:00
Tisdag 09:00 - 18:00
Onsdag 09:00 - 18:00
Torsdag 09:00 - 18:00
Fredag 09:00 - 18:00

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+46765564262

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