> microtonalities or strange scales (like gamelan) are evolutions of the natural octave/fifths grid. What is your source for this opinion? Gamelan predates

> microtonalities or strange scales (like gamelan) are evolutions of the natural octave/fifths grid. What is your source for this opinion? Gamelan predates the Hindu-Buddhist culture that dominated Indonesia in its earliest records and thus represents an indigenous art form of Indonesia ~ https://en.wikipedia.org/wiki/Gamelan https://en.wikipedia.org/wiki/Gamelan How do you know anything that comes prior to recorded history?