The joy of Splines, a module that can make anything from curves

It’s an oscillator, a step sequencer, a modulation and envelope source, a quantizer (with custom tunings) — even a scope, thanks to its interactive, animated visual interface. Thorn Audio’s new Eurorack module can make anything from elegant, precise curves. It’s more than just another do-everything module. Now you’re playing with Splines.

TouchDesigner POPs course gets your brain around geometry for visuals

In a world that’s definitely trying to make us dumber and more depressed, let’s grow our brains instead. Our friends over at Derivative have a free course that finally makes it easy to start working with POPs — the Point OPerators that enable all that wild 3D geometry you see in live shows and installations.

Peter Kirn - May 20, 2026

Free: 4ms VCV Rack ROMplers put gobs of drums under voltage control

The library for the free and open source VCV Rack has been on fire lately. But this one is a standout: 4ms has a sprawling library of ROMpler modules based on classic drum-machine samples. And don’t let the “ROMpler” part fool you: those samples are ready for full voltage control.

Peter Kirn - May 19, 2026

Pi Day: Hear and see approximations for Pi — and learn about shaders, too

Peter Kirn - March 14, 2026

Making music on the TI graphing calculator — and a TI-inspired plug-in synth

Peter Kirn - March 6, 2026

As much triggering as you can handle: Noise Engineering Multi Repetitor

Peter Kirn - January 22, 2026

Sonification Tools for Ableton Live now has a synth that plays data

Peter Kirn - February 13, 2025

Xaoc Devices Berlin: new compact VCO with Leibniz Binary interfacing

Peter Kirn - May 13, 2024

Eurorack oddities: a clock divider using Zeno’s Paradox, a 3D string controller

Peter Kirn - January 8, 2024