โAccording to music theory, A=432 Hz is mathematically consistent with the universe. This is known as Verdi's โAโ โ named after Giuseppe Verdi, a famous Italian composer. Music tuned to 432 Hz is softer and brighter, and is said to provide greater clarity and is easier on the ears.โ
https://www.youtube.com/watch?v=4QgI5v9cwew