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Geert Bevin

@gbevin.uwyn.com
2K followers 331 following 761 posts

Director of Software Development at Moog Music, Principal Software Engineer at Roger Linn Design, Father of MPE, Board Member at Asheville Music School, Creator of RIFE2 & bld, Java Champion, Maker, 3D Printing & Design, Singer, Guitarist, Kung Fu, Tai Chi

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Geert Bevin @gbevin.uwyn.com · 28/09/2026
Glinster is an MPE MIDI controller and instrument that learns your hand. On iPad and iPhone, place your hand anywhere and the notes appear under your fingers. Glinster measures the shape of your hand and follows as you play. Beta testers welcome before release: uwyn.com/glinster/ #MPE #MIDI #iPad
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Geert Bevin @gbevin.uwyn.com · 20/09/2026
LinnStrument playing a Sub 37, which does not support MPE. RouteMIDI collapses MPE and converts per-note pitch bend and pressure to a single channel: routemidi in "LinnStrument" mpemono lower 1 convert pp cp out "Sub 37" RouteMIDI 1.0 is out. Free and open source, macOS, Windows and Linux. #MIDI
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Geert Bevin @gbevin.uwyn.com · 20/09/2026
Glinster is a musical instrument and MPE MIDI controller. It's going into beta soon and I'm looking for testers on Apple Vision Pro, iPhone and iPad, get in touch for a TestFlight invite. uwyn.com/glinster/ #visionOS #MPE #MIDI #AppleVisionPro
uwyn.com
Glinster - An instrument made of light
Play music in the air with your bare hands on Apple Vision Pro, or on glass that fits itself to your hand on iPhone and iPad, with MPE MIDI to the synths you already have.
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Geert Bevin @gbevin.uwyn.com · 19/09/2026
Last year, April and I created a flow piece for The Surreal Sirkus Frequinox show, set to the music of Pan Door. It told a sweet story, and the video is in the comments.
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Geert Bevin @gbevin.uwyn.com · 15/09/2026
RIFE2 is a full-stack web framework for Java, in one jar with zero dependencies. Routing, templates, forms, htmx, server-sent events and a database layer, all in plain Java. Fifteen examples on the site show the code and run it live. rife2.com #RIFE2 #Java #WebDev
rife2.com
RIFE2 - Full-stack, no-declaration web framework for modern Java
RIFE2 is a full-stack, no-declaration framework to quickly and effortlessly create web applications with modern Java. No dependencies, a single 2.5MB jar, Java 17+.
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Geert Bevin @gbevin.uwyn.com · 15/09/2026
On 9/20, Surreal Sirkus is returning for Frequinox 2, with performances by Surreal Sirkus, sets by an all-star lineup of Asheville DJs (iXNéE, Sensoma, and Mr. Burns) and a live PA by our own house Mugician, Logos.
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Geert Bevin @gbevin.uwyn.com · 13/09/2026
Last year I created my first piece for The Surreal Sirkus with light sabers choreographed on my own original music, and performed it at our Frequinox event. On September 20th we'll host Frequinox 2 at Third Room in Asheville, NC again, we hope to see you there! youtu.be/a5qkmzPdJbw
youtu.be
Geert Bevin performing with Surreal Sirkus at Frequinox (2025)
YouTube video by Surreal Sirkus
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Geert Bevin @gbevin.uwyn.com · 11/09/2026
RIFE2 1.10.0 is out! Server-sent events, htmx support, CSRF protection, database migrations, and ahead-of-time instrumentation so continuations run without a java agent, even in GraalVM native images. Still one jar, still zero dependencies.
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Geert Bevin @gbevin.uwyn.com · 10/09/2026
bld 3.0.0 is out! Parallel dependency resolution, BOM support, and an MCP server so AI agents can drive your build. Still one jar, still pure Java.
The bld logo above "pure java build tool", then three features: parallel dependency resolution, BOM-driven version management, MCP tools for AI coding agents. An orange bar reads "version 3.0 available now: rife2.com/bld".
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Reposted by Geert Bevin
Peter Kirn @pkirn.bsky.social · 31/08/2026
Just get it rolling/looping, and every part of your performance is saved just like you played it. Another wonder by @gbevin.uwyn.com -- #opensource for Mac, iPhone, and iPad.
cdm.link
MIDI Tape Recorder, precise capture, now standalone for macOS, iOS - CDM Create Digital Music
Geert Bevin's terrific MIDI Tape Recorder precisely captures MIDI performances, including MPE, verbatim -- not the slightest variation in sound. v2.0 adds a host of new features, plus a standalone ver...
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Geert Bevin @gbevin.uwyn.com · 29/08/2026
MIDI Tape Recorder 2.0 is out! MTR now also runs standalone on iPhone, iPad and Mac, with CoreMIDI in and out and autosaved sessions. The tape keeps rolling in the background and with the screen locked.
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Geert Bevin @gbevin.uwyn.com · 26/08/2026
15 years since I composed and recorded this, a friend just brought this to my attention! youtu.be/jsHjF4pFcnk?...
youtu.be
'What If' - original piano instrumental on Eigenharp Alpha
YouTube video by Geert Bevin
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Geert Bevin @gbevin.uwyn.com · 26/08/2026
Something else is stewing ... it kinda fell out of the work I'm doing on my new Vision Pro instrument: Wirelight! 🤩💡🎧
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Geert Bevin @gbevin.uwyn.com · 22/08/2026
Glinster is a musical instrument and MIDI controller for Apple Vision Pro that you play with your bare hands in the air, without any controller.
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Geert Bevin @gbevin.uwyn.com · 19/08/2026
I've been working on something new for Vision Pro, iPhone and iPad ... stay tuned!
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Geert Bevin @gbevin.uwyn.com · 08/07/2026
I'm really excited about what my RouteMIDI tool allows through its MCP server, integrated into Claude Desktop. You can just talk to the LLM to connect MIDI devices together and manipulate their MIDI streams. You can find out more about RouteMIDI here: github.com/gbevin/Route...
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Geert Bevin @gbevin.uwyn.com · 02/07/2026
To complement my SendMIDI and ReceiveMIDI tools, I've created RouteMIDI: a multi-platform command-line tool to connect MIDI ports together, optionally filtering, transforming and converting MIDI messages along the way.
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Geert Bevin @gbevin.uwyn.com · 30/04/2026
Thank you Luna for having been my unconditional friend and companion for 11 years. You traveled across the ocean with me, learned a second language, healed from three major surgeries, grew up with cats and adopted 8 of them as family, ...
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Geert Bevin @gbevin.uwyn.com · 19/04/2026
Next Friday The Surreal Sirkus is having its second Surreal Sirkus Salon! I'm looking forward to seeing everyone's acts and performances, and hope to see you there!
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Geert Bevin @gbevin.uwyn.com · 19/04/2026
I finished writing and laying out the last piece of my 3D printed solo board game Dynamod Last Stand: the instruction booklet! Now I can have my printers produce all the pieces for the complete game boxes while I do the remaining work to make this available for sale. Almost there!
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Geert Bevin @gbevin.uwyn.com · 01/04/2026
Roger and I have released a new firmware for the LinnStrument. It contains bug fixes and also adds a new feature called Low Row Transpose that Roger explains in this video. youtu.be/rTTmQWbcCrQ?...
youtu.be
LinnStrument's Low Row Transpose feature
YouTube video by Roger Linn
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Geert Bevin @gbevin.uwyn.com · 17/03/2026
Great turnout for my lecture about MPE at the Sigal Music Museum on Sunday. The audience was very engaged and curious, making great observations and asking plenty of good questions. It felt good to present again, it had been a while.
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Geert Bevin @gbevin.uwyn.com · 15/03/2026
Getting ready to leave for my lecture about MPE at the Sigal Music Museum in Greenville. It looks like many people registered and it's going to be a good turnout! 🤩
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Geert Bevin @gbevin.uwyn.com · 11/03/2026
Getting closer to finishing the design of the entry level board game in my 3D printed Dynamod series. This is a quick solo survival game where you fend off waves of randomized monsters while also changing the room layout.
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Geert Bevin @gbevin.uwyn.com · 27/02/2026
In two weeks I will give a lecture at the Sigal Music Museum in Greenville SC about MPE and expressiveness in electronic music. This is a free event but registration is required. I hope to see you there! www.eventbrite.com/e/geert-bevi...
eventbrite.com
Geert Bevin - MPE: New MIDI Standard for Bridging the Expressiveness Gap
Geert Bevin discusses MPE: Bridging the Expressiveness Gap Between Acoustic and Electronic Instruments.
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Geert Bevin @gbevin.uwyn.com · 12/02/2026
Play testing a cheap and compact $20 solo crawl version of my Dynamod 3D printed board game 😁
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Geert Bevin @gbevin.uwyn.com · 09/02/2026
Thankful for all the friends and other makers who visited this weekend during Assembly Required: Asheville Designer Toy Expo. All the feedback and play testing on my Dynamod Dungeon Dive board game, has given me great directions forward.
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Geert Bevin @gbevin.uwyn.com · 07/02/2026
Almost done getting things ready for Assembly Required: Asheville Designer Toy Expo this weekend!
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Geert Bevin @gbevin.uwyn.com · 04/02/2026
After quite a few revisions, the rules of my 3D printed board game Dynamod Dungeon Dive are close to finished, still coming out to one page! The intent is for this game to be teachable in a few minutes while offering a great dungeon crawler experience to anyone without any book-keeping!
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Geert Bevin @gbevin.uwyn.com · 01/02/2026
First draft of the final rules for Dynamod Dungeon Dive, the 3D printed cooperative randomized dungeon crawler I'll introduce at Assembly Required: Asheville Designer Toy Expo. It all comfortably fits on one page! 🤟🤩
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Geert Bevin @gbevin.uwyn.com · 25/01/2026
Here's a sneak peek of the evolution of Dynamod Games. I've been working on this for almost two years with some breaks in between.
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Geert Bevin @gbevin.uwyn.com · 13/12/2025
I'm giving a lecture in March about #MPE at the Sigal Music Museum. It's way too soon to start promoting this, but I thought I'd already mention it anyway! 😁 www.eventbrite.com/e/geert-bevi...
eventbrite.com
Geert Bevin - MPE: New MIDI Standard for Bridging the Expressiveness Gap
Geert Bevin discusses MPE: Bridging the Expressiveness Gap Between Acoustic and Electronic Instruments.
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Geert Bevin @gbevin.uwyn.com · 08/12/2025
We participated in a lamp making workshop a couple of weeks ago and finished our own Turkish mosaic lamps yesterday! This was a lot of fun and very rewarding! 🤩
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Geert Bevin @gbevin.uwyn.com · 12/11/2025
For the last two years, we've been working on a new build tool for #Java, called #bld. It has now been added as one of the standard options to generate snippets in #Maven Central, the most popular repository of Java packages. Yay! 🥳
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Geert Bevin @gbevin.uwyn.com · 12/11/2025
I took out my DSLR camera to capture the aurora borealis that's visible tonight in Asheville NC!
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Geert Bevin @gbevin.uwyn.com · 11/11/2025
I released MidiWrist Unleashed v1.1.0 with a workaround for UI problems in watchOS 26. uwyn.com/midiwrist-un...
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Geert Bevin @gbevin.uwyn.com · 03/11/2025
We were a bat and werewolf over the weekend. We howled at the moon with other street creatures and lost a bunch of nails! 😁
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Geert Bevin @gbevin.uwyn.com · 24/10/2025
I'm playing a set of acoustic originals at 3pm on Saturday 10/25 during the Surreal Sirkus Arts Festival at Pack Square in Asheville, NC. Looking forward to seeing you there!
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Geert Bevin @gbevin.uwyn.com · 02/10/2025
You are invited to take part in a truly unique experience: The Surreal Sirkus Telepathon! Both online and in person with Surreal Sirkus and a host of Asheville's finest creative freaks. The event will raise money for Arts 2 People, to help us put on the 15th Surreal Sirkus Arts Festival on Oct. 25.
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Geert Bevin @gbevin.uwyn.com · 25/08/2025
We're coming up on our final chapter in the Tale of the Cosmic Eggs: The Indigo Egg. Please join Surreal Sirkus in our underwater ball on 9/20 at Third Room, put on your wildest underwater costumes, and help make it a splash!
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Geert Bevin @gbevin.uwyn.com · 19/08/2025
Moog One Firmware update v1.8.0 is now available for download! Many of you have asked for tighter MIDI behavior and consistent performance. This release concentrates on that foundation so your creative flow stays uninterrupted. Download from here: www.moogmusic.com/downloads/?p...
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Geert Bevin @gbevin.uwyn.com · 26/07/2025
MidiWrist Unleashed is part of this year's MIDI Innovation Awards, please consider voting for it in the Commercial Software category! The link for voting is here: bit.ly/midi2025
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Geert Bevin @gbevin.uwyn.com · 22/07/2025
This Sunday 7/27 at noon, Asheville Vaudeville does a special brunch spectacular at The Grey Eagle and I'll be playing live music for April Lynn's mesmerizing dancing and hooping! 💃🎶
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Geert Bevin @gbevin.uwyn.com · 10/07/2025
Animoog Galaxy gets a featured story in the Apple App Store!
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Geert Bevin @gbevin.uwyn.com · 06/07/2025
We've released v2.3.0 of bld, our pure #Java build system, with support for the new Central Publish Portal. Migration to the new publication service is as easy as changing the target repositories.
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Geert Bevin @gbevin.uwyn.com · 27/06/2025
We're also hiring a Quality Assurance Software Tester to join my team in Asheville, NC. If you're passionate about making and keeping our software as stable as possible, please take a look at the details in the link below. inmusicbrands.pinpointhq.com/en/postings/...
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Geert Bevin @gbevin.uwyn.com · 27/06/2025
We have an exciting job opening available at Moog to join my team in Asheville, NC: Application Software Engineer - Synth Editors. You'll find a link with all details below, we're all looking forward to making great and inspiring synths with you! inmusicbrands.pinpointhq.com/en/postings/...
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Geert Bevin @gbevin.uwyn.com · 19/06/2025
The Surreal Sirkus Red Egg weekend is jam packed with great music, fire performances, psytrance, theatre, and so much more. Here's the full schedule, hope to see you there!
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Geert Bevin @gbevin.uwyn.com · 08/06/2025
Ramping up rehearsals for my show on June 20th at the Fallout ArtSpace in Alexander, NC by practicing the whole set at least one per day with the exact technical setup I plan to use on stage.
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Geert Bevin @gbevin.uwyn.com · 06/06/2025
Friday June 20th, I will be opening The Red Egg Surreal Sirkus weekend with a solo set of originals played on acoustic guitar and vocals. I'm going back to my roots and the style of my first album. For this show, I will debut a collection of new songs that have never been performed before.
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