Free Downloads
Everything I Give Away, In One Place
Charts, sample packs, presets and a playable synth — built for my own studio, free for yours. Pick one and I'll send it straight over.

Vocal Range Chart
Know exactly where every voice sits
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Note to Frequencies Chart
Every note. Every frequency. One page
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Gain Staging Cheat Sheet
Stop guessing where your levels should sit
Get it free →SIDMIX
The C-64 Synthesizer, in your browser
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Synth Anthology 5 Presets
The Synth Anthology 5 presets from the video
Get it free →Who's Behind These?
I'm Claudio Passavanti — founder of Doctor Mix, a lifelong recording artist, and the person 819,000+ producers watch on YouTube. These aren't generic PDFs scraped together for a funnel. They're tools I built because I needed them in the studio — and figured you might too.