“This spiral-bound book provides an easy-to-understand introduction to the harmonic series and how it has been used historically to create musical scales.” Keyboard mag, February 2017
“Neil Haverstick is one of the most respected microtonalists on the planet.” Jeff Berg, Unfretted.com
To order “Harmonics and Spirals, The Code Of Music,” plz send $25, plus $5 postage ($20 overseas) to PO Box 150271 Lakewood Colorado 80215…
