Surprise! Many of Us Have 'Hidden' Perfect Pitch Without Knowing It

<img width="1024" height="415" src="https://www.sciencealert.com/images/2024/08/ShowerSinging.jpg" alt="Shower singing"/>"You don't have to be Beyonce."

https://www.sciencealert.com/surprise-many-of-us-have-hidden-perfect-pitch-without-knowing-it