MATRIXSYNTH: THREETOM modular / Modular & digital harmonica / Michael Claessens & Steve's MS-22

Wednesday, September 25, 2019

THREETOM modular / Modular & digital harmonica / Michael Claessens & Steve's MS-22

Published on Aug 11, 2019 Threetom Modular

"Ever wondered if a harmonica can be used to control a synth? The answer is yes!

Michael Claessens is a talented Belgian harmonica player who's interested in electronic music. We hooked up his digital harmonica to my modular system, featuring Steve's MS-22 dual VCF. This lead to an evening of modular fun, including this funky jazz improv we taped... Patch notes are in the description below!

Michael is playing a Lekholm DM48 Digital Chromatic Harmonica ( We connected the DM48 to the Shuttle Control over USB host. We use two slightly detuned saw oscillators from the Intellijel Atlantis, which are mixed at 50% each and then sent into the input of Steve's MS-22 dual VCF. The DM48's breath MIDI CC is converted to a smoothed unipolar CV and routed in to the MS-22's FCV jack, modulating the cut-off frequency of the low-pass filter. The MS-22 is set with a high gain and moderate resonance. The high-pass filter is set at a low frequency, not affecting the signal. The output of Steve's MS-22 is then sent into a Zlob VniCursal VCA, modulated by the envelope of the Atlantis (triggered by the Shuttle Control). Reverb was added by means of the Tip Top Z-DSP with the Valhalla Reverb card."

More info: THREETOM Modular & Steve's MS-22 Dual Voltage Controlled Filter

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