Your browser isn’t supported anymore. Update it to have the finest YouTube expertise and our most up-to-date functions. Learn more The A4 at 440 Hz is highlighted around the chart. For more geeking out, you might have an interest During this interactive comparison of equal temperament vs just intonation https://lorenzowmdsh.wikilowdown.com/6550130/facts_about_frequência_396_hz_para_que_serve_revealed