I read that several years ago, when it first came out, and it blew my mind. I also highly recommend Tuning, Timbre, Spectrum, Scale by William Sethares [1]. It

I read that several years ago, when it first came out, and it blew my mind. I also highly recommend Tuning, Timbre, Spectrum, Scale by William Sethares [1]. It's a different approach to deriving our familiar harmonic structures, with a greater emphasis on consonance within a given timbre than voice leading. [1] https://www.amazon.com/Tuning-Timbre-Spectrum-William-Sethares/dp/1852337974 https://www.amazon.com/Tuning-Timbre-Spectrum-William-Sethar...