Beads, the granular “texture synthesizer” that was Emilie Gillet’s follow-up to the legendary Clouds, is now fully open source. That completes the final missing piece in open-source code and free licensing for Mutable Instruments’ iconic and influential range of Eurorack modules.

Synth Anatomy gets the scoop on this one, noting that source and licensing were quietly updated on the pichenettes GitHub account some time early this morning. (Thanks to Tom for the heads-up.)

Beads is a beautiful instrument, both as a granular processor and an oscillator. It was a full “ground-up” reimagining of the earlier Clouds, and you can hear how different it sounds. Emilie wrote in the blurb at the time that this one had “a crisper and broader sound palette, more control, better playability, and direct access to exciting new features.”

Just listen:

Beads was a kind of holy grail in the Mutable Instruments lineup. For some reason, while other modules (and earlier desktop synths) were released as open source, Beads was omitted. I don’t know why — it may have been that some proprietary dependency was involved, or it may have been for strategic or personal reasons. Because of the omission, though, there was no way to build one of these modules or use it as a software emulation, as authorized recreations by Softube and Audible Instruments (for VCV Rack) in software, or After Later Audio in hardware, did. And there was no avenue for DIYers to try it themselves.

That changes now, as everything is there. The usual rules apply: do not use the name “Mutable Instruments” or “Beads” on whatever you build, to avoid confusion. Other than that, hardware is under a Creative Commons Attribution-ShareAlike 3.0 license and software under the MIT license (as this module uses a STM32F processor). This does require that you reproduce the license and attribution intact, and any hardware you make must also be shared under a CC license. Open source hardware does not mean public domain.

And in this age of assistive AI, it’s worth browsing through the code repository, because this is code written by a human for other humans to be able to read. I don’t mean to knock anyone using LLMs in their coding; I’m certainly not saying every software installer needs to be meticulously hand-crafted. But for the Mutable instruments, you get carefully chosen comments, code that was written to be read. And I hope anyone who is making AI code and saying it’s “open source” is factoring in the time to go over each line and make sure someone else would want to look at it. End rant.

But it’s truly exciting to have access to this module again, not least because of its special place as Mutable Instruments’ swan song — and a gorgeous swan song, at that. It seems like a good excuse to try DIYing a module, and I hope it gets an Audible Instruments rendition in VCV Rack, so folks can try it regardless of budget or space.

This is also a reason to go back and read the history of Beads, including details of the back-and-forth between Emilie and designer Hannes Pasqualini. (Hannes and Elizabeth Busani of papernoise worked on the visual identity and panels for Mutable Instruments; see their profile of the project.) And there you find trivia like this was pitched originally as “Clouds light,” how it related to Marbles, and that its name was variously Clouds 2, Crowds, and (my favorite), Seeds, before Beads caught on.

Beads history (with sketches!)

And if ever it feels like the world is too cruel and too fast, you can listen to Beads beading away and settle down for a moment. The craft of what we do can take as long as we wish — capitalism’s machine speed be damned. (See also Olivia Artz Patience module for more inspiration in that category.)

https://github.com/pichenettes/eurorack

All the Mutable Instruments modules, documented

And what I wrote the first time, apparently:

I don’t know why this “last of the Mutable Instruments modules” phrase is stuck in my head, but maybe my brain is here (hey, first movie I remember seeing in a movie theater, it made an impression!)

Also acceptable:

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