over 25 years in the music industry
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    For the past 25 years we have been recording and producing music from all over the world.

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    Share in my experience and expertise through educational courses.

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    With over 300 albums recorded, my work is recognised by the music industry and, more importantly, the fans.

Welcome to Hertz Studio.

Sławek Wiesławski

Owner, sound engineer, and a master of the difficult art of recording drums. Sławek is a talented producer with extensive experience, gained over more than three decades of working with various bands and artists.

Trusted by:

STUDIO RECORDING / MIXING / MASTERING

Don’t let your music sound average

For over 25 years, I’ve been helping artists create productions that break through the noise — on stage, on the radio, and on Spotify.

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    Perfect drums – the legendary Hertz Studio sound that can’t be replicated

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    Polish Music Awards (Fryderyk) and platinum records – proven quality

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    Professional support – from raw mix to finished single

wieslawski studio academy

COURSES / RECORDING / MIXING / MASTERING

You learn on real projects

Run by Sławek Wiesławski

From microphone placement and working with musicians, through live sound control, to mixing, mastering, and a final product ready for release.

No dry theory – everything is hands-on and practical.

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    The full process – from the first note to the final master

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    Hands-on work with real examples and projects

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    Individual approach and 1-on-1 consultations

STUDIO RECORDING / MIXING / MASTERING

Don’t let your music sound average

For over 25 years, I’ve been helping artists create productions that break through the noise — on stage, on the radio, and on Spotify.

  • null

    Perfect drums – the legendary Hertz Studio sound that can’t be replicated

  • null

    Polish Music Awards (Fryderyk) and platinum records – proven quality

  • null

    Professional support – from raw mix to finished single

wieslawski studio academy

COURSES / RECORDING / MIXING / MASTERING

You learn on real projects

Run by Sławek Wiesławski

From microphone placement and working with musicians, through live sound control, to mixing, mastering, and a final product ready for release.

No dry theory – everything is hands-on and practical.

  • null

    The full process – from the first note to the final master

  • null

    Hands-on work with real examples and projects

  • null

    Individual approach and 1-on-1 consultations

Wieslawski studio live production

LIVE RECORDING / EVENT SOUND

Preserve the magic of the performance

From choral sound in a church, through a concert on a festival stage, to a school assembly.
Over 25 years of experience, hundreds of live recordings and premium equipment guarantee studio-quality sound in any conditions.

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     Experience in acoustically demanding spaces

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    Full control over live sound

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    Mobile premium-class equipment

Wieslawski studio live production

LIVE RECORDING / EVENT SOUND

Preserve the magic of the performance

From choral sound in a church, through a concert on a festival stage, to a school assembly.
Over 25 years of experience, hundreds of live recordings and premium equipment guarantee studio-quality sound in any conditions.

  • null

     Experience in acoustically demanding spaces

  • null

    Full control over live sound

  • null

    Mobile premium-class equipment

From studio to streaming

Real projects, real results

Listen to productions I’ve mixed and mastered – now playing on Spotify alongside industry giants. This could be your music next.

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    Sound that gets playlist adds

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    Commercial-ready sound quality

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    From demo to streaming success

From studio to streaming

Real projects, real results

Listen to productions I’ve mixed and mastered – now playing on Spotify alongside industry giants. This could be your music next.

Our Artists

Artists who have recorded at Hertz Studio