In An Explosion of Keys, a DIY Isomorphic Instrument

Alternative key layouts have popped up in commercial hardware and now iPad apps and such, but there’s nothing like trying to build something to grasp how it works. An intrepid group of makers who call themselves Louisville Soundbuilders are working now to clone the C-Thru Music AXiS-64. The goal: their own, original instrument that uses the isomorphic array of keys the AXiS does, which by organizing notes by harmonic interval makes complex melodies and harmonies much simpler than on traditional fretted instruments and keyboards. You can see results in the video. (It doesn’t make sound until the very end. This …

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