In this video I’m demoing my second VFX script: Harmonizer. The whole idea is simple—take a monophonic MIDI line and instantly turn it into layered harmony voices that follow what you play. I walk through the interface inside Patcher, where you can enable up to four harmony voices, set each voice’s transpose (up to +/− an octave), and quickly go from “one note” to a full, harmonized lead without manually writing extra parts. From there I show the stuff that makes it actually musical: quantize-to-scale (or go chromatic if you want it more dissonant), a velocity multiplier so the harmony voices sit quieter than the main note (super useful if your synth maps velocity to oscillator volume like Serum), and a strum control that offsets the harmony voices in 16th-note increments. Then I get into my favorite part—randomization. I cover Random Relative (random transposes within a range above/below the played note) and Random Min/Max (hard limits for the lowest/highest random notes), which is great for generative patterns, from rumbly lows to ultrasonic highs. I also show a pitch-bend example where all voices bend together, and a “hidden” advanced tweak: editing the script constants to change how many harmony voices you get.