DyMM (Dynamic MIDI Mapper) - [BETA] Chord Progression MIDI Effect (VST/AU - Mac/Win)

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Hello World,

Over the years of playing in bands as a drummer, I wanted a way to perform chord progressions from a controller without stopping to re-map or transpose. That idea turned into DyMM, a dynamic midi mapper usable by anyone with a midi controller.

DyMM lets you map different chord progressions to regions along the daw timeline, so the same pad or key can trigger different harmonic structures as the song progresses.
It’s not just another chord plugin. It's a controller-first chord organizer designed for live performance.

DyMM runs as both a midi effect and an instrument. It intercepts incoming midi and remaps pitch/voicing based on the currently active region in the timeline (sometimes called a ruler). Each region can contain a single chord or multiple chords defined via a simple code editor.
It was built primarily for live use, but you can also draw MIDI in your DAW and experiment. Tested so far in Logic Pro, Ableton Live, REAPER, and Cubase on Mac and Windows.

The result is that a single pad or key can access many different chords over time, without changing your physical playing surface, meaning: the harmony moves, not the keys or pads.

Demo video (with and without DyMM):


Quick-start videos:
https://ricurrent.com/dymm (https://ricurrent.com/dymm)

Beta Testing
I'm looking for feedback on usability, midi routing edge cases, and overall workflow.

Beta testers get:
  • access to a future DyMM lite version
  • a discount on the full release
Neither will be a subscription based plugin.

Signup:
https://forms.gle/DzAXauypdz2iMsNX8 (https://forms.gle/DzAXauypdz2iMsNX8)

You’ll receive either a mac installer or a windows zip, plus access to a living Google doc manual.

Happy to answer questions, hear skepticism, or discuss comparisons.

PS Here's some clear UI pics
Screenshot 2026-01-25 at 2.07.45 PM.png
Screenshot 2026-01-25 at 2.06.49 PM.png
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Hi all again,

Thought I'd put another link to a recently made demo. Thanks to the one person who did sign up by this post!


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