This is very cool. So I’m sure you remember Pi from your high school maths class. In short, 3.14. In detail, the number which is the ratio of a circle’s circumference to its diameter.
Yep. Here’s a gif to explain Pi. Nerd alert.
Pi’s decimal is, as far as we know, infinite. It starts like this: 3.141592653589793238462643383279502884…
One awesome guy took these digits, assigned each number to a note on the musical scale, and composed a song about it. It’s amazing! Have a listen here: