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

Rebel against the anti-intellectual world around us! Forget the traumas of math classes past! Instead, enter a hypnotic trance as your screen vibrates and headphones ring with the sight and sound of Pi’s approximations. Our friends over at VDMX would like to introduce you to the wonders of … bad Pi.

Free experimental and ambient bank for Grainferno, plus sound design tips

Chattering hyperreal vocal rhythms, delicate sparkling piano gestures, spacey pads — I’ve built a free bank for you for Baby Audio Grainferno. Here’s the download (direct download link), plus some tips on making your own sounds and banks. Download and try now Thanks to Baby Audio for partnering with CDM and helping support this pack […]

Peter Kirn - March 13, 2026

Music tech Promoted Software Tech

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Sitka’s excellent Gravity clock Eurorack module is now open source

Kyiv-based Sitka Instruments is making the awesome Gravity Eurorack clock module open-source hardware. It’s an easy and affordable build, and there are already cool alternate firmwares available, with more to come. Sitka is supporting the community — and you can give back by supporting Ukrainian causes.