worked with Behemoth, Vader, Patriarkh and Decapitated.
25+ years of experience
worked with legendary bands
Double Platinum Sound Engineer & Producer.
Co-owner of Hertz Recording Studio & 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.
His work has earned two Top 50 placements on the Billboard charts, the prestigious Fryderyk Award, and amassed over 150 million streams on YouTube—proving his lasting influence in the era of digital music and streaming.
mixing & mastering
recording & production
recording & mixing & mastering
recording & mixing & mastering
recording & mixing & mastering
mixing & mastering
recording & mixing & mastering
recording & mixing & mastering
recording & mixing & mastering
recording & mixing & mastering
recording & mixing & mastering
recording & production
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.
Beyond the studio work, Wojtek shares his vast mixing & mastering expertise through in-person workshops, masterclasses, and via his YouTube channel @HertzDrums, inspiring the next generation of music professionals.