MTG Music
How to Build a MIDI Harmonizer + Online Workshop
How to Build a MIDI Harmonizer + Online Workshop
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Everything you need to build your own MIDI Harmonizer, plus live guidance from Ed Hogben.
This bundle combines the complete DIY guide ebook with access to an online workshop - where Ed walks you through the full setup, answers your questions in real time, and shows you exactly how he plays it.
What you get:
- The complete DIY Guide ebook (PDF)
- Access to the online workshop with Ed Hogben
- Hardware and firmware setup walkthrough
- DAW setup for Ableton Live and Logic Pro X
- HX Stomp integration guide
- Music theory and voicing design session
- Q&A with Ed
Perfect for musicians who want to build their own device and want the roadmap and support to do it right the first time.
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Hear it
The Harmonizer sends the chords, the plugin sings them. Press Hear it and watch the four voices follow a real trumpet.
Your chords, under your fingers.
The Harmonizer is a small 12-key controller that sits on your trumpet. Each key holds a chord. Press one, and the plugin re-tunes its four voices to follow whatever you play.
- 1Plug the Harmonizer into your computer over USB.
- 2Press a key. It sends the chord to the plugin in your DAW.
- 3Play. Four voices harmonise with you in real time.
- 4Change what each key plays in MTG Manager.

Real trumpet, recorded through the MIDI Harmonizer plugin. The window matches plugin 1.3.0.