Here is a unique musical device inspired by an abacus. The Abacusynth by Elias Jarzombek is pretty simple to use. You can adjust presence and modulate with a slide or spin. With a click on the side, you get to change waveform. Abacusynth is MIDI controllable. The below video shows it in action.
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Pretty special, isn’t it? You can find out more about this amazing musical device here.
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