432 Hz: the Mystical Frequency that Artists Are Adopting

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From classical music to rock, musicians tune their instruments to a common frequency to be able to play together in harmony. For at least 80 years, that standard frequency has been A440 Hz, which defines the note La above the central Do and, by extension, all the other notes around it. But this long-standing tuning standard is being questioned in various genres, as more and more artists, including two Grammy winners, release tuned albums to A432…