#HarryPartch was an American #composer #musictheorist, and #creator of #unique #musical #instruments. He composed using scales of #unequal #intervals in just #intonation, & was one of the first 20th-century composers in the West to work systematically with #microtonal scales, alongside #LouHarrison, he built his own instruments in these #tunings on which to play his #compositions, & described the method behind his theory & practice in his book #GenesisofaMusic (1947).

https://en.m.wikipedia.org/wiki/Harry_Partch