Your browser isn’t supported any more. Update it to obtain the best YouTube experience and our hottest features. Learn more The A4 at 440 Hz is highlighted about the chart. For additional geeking out, you could possibly be interested in this interactive comparison of equivalent temperament vs just intonation https://alexisxrlgy.blog4youth.com/32672568/the-2-minute-rule-for-music-tuned-to-396-hz