wojtek wieslawski
Metal Mixing and Mastering by Wojtek Wieslawski
worked with Behemoth, Vader, Patriarkh and Decapitated.
your rock, metal tracks, mixed to perfection.
Experience you can hear
Why work with wojtek?
Double Platinum Sound Engineer & Producer. Co-owner of Hertz Recording Studio (1999-2025) & Hertz Instruments.
With over 25 years in the music industry, Wojtek Wiesławski has worked with some of the most iconic metal bands, including Behemoth, Decapitated, Hate, Hour Of Penance, Luxtorpeda, Łydka Grubasa, Patriarkh, Vader, and many more.
Selected works
My work
Albums recorded, mixed, mastered or produced by Wojtek Wiesławski. Hover over a cover to see the details.
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Behemoth — The Satanist (2014)
Recording, Music production
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Behemoth — Evangelion (2009)
Recording, Music production
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Decapitated — Blood Mantra (2014)
Mastering, Mixing, Recording
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Decapitated — Organic Hallucinosis (2006)
Mastering, Mixing, Recording
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Decapitated — The Negation (2004)
Mastering, Mixing, Recording, Music production
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Vader — Litany – Remastering (2025)
Remastering
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Vader — Tibi Et Igni (2014)
Mastering, Mixing, Recording
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Vader — Welcome to the Morbid Reich (2011)
Mastering, Mixing, Recording
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Vader — XXV (2008)
Co-production, Recording, Mixing, Mastering
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Vader — Impressions in Blood (2006)
Mastering, Mixing, Recording
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Vader — The Art of War (2005)
Co-production, Recording, Mixing, Mastering
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Patriarkh (ex-Batushka) — Prorok Ilija (2025)
Mastering, Mixing
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Hate — Rugia (2021)
Mastering, Mixing, Recording
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Hate — Auric Gates of Veles (2019)
Recording, Mixing, Mastering
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Hate — Erebos (2010)
Mastering, Mixing, Recording
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Hour Of Penance — Devotion (2024)
Mastering, Mixing
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Hour of Penance — Misotheism (2019)
Mastering, Mixing
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Łydka Grubasa — ĘĆ (2023)
Recording, Music production
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Łydka Grubasa — Socjalibacja (2020)
Mastering, Mixing, Recording
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Łydka Grubasa — Live POL’AND’ROCK FESTIVAL (2019)
Mastering, Mixing
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Łydka Grubasa — O-dur C-ból (2018)
Mastering, Mixing, Recording
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Luxtorpeda — Omega (2022)
Mastering
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Bracia Figo Fagot — Discochłosta (2014)
Mastering, Mixing, Recording
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UnSun — Clinic for Dolls (2010)
Mastering, Mixing, Recording
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Transgresja — Brak Równowagi (2019)
Mastering, Mixing, Recording
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Leather — We Are the Chosen (2022)
Mixing, Mastering
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Quo Vadis — Labirynth (2024)
Mixing, Mastering
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SkyLorn — Niebo Rozdarte (2026)
Mixing, Mastering
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Liverum — Meaning Will Travel (2026)
Mastering, Mixing, Recording
Double platinum sound engineer & producer
Excellence in mixing & mastering
Known for his precise and powerful signature sound , Wojtek consistently delivers top-tier productions that redefine the industry standard.
Are you looking for impactful drum tones, crushing guitars, or a perfectly balanced master ? You got it! Wojtek will transform your raw tracks into a sonic masterpiece.
Workshops and knowledge
Education & industry expertise
Beyond the studio work, Wojtek shares his vast mixing & mastering expertise through in-person workshops, masterclasses, and via his YouTube channel @Wieslawski_mix_mastering and @HertzDrums , inspiring the next generation of music professionals.