Hello and welcome to the one and only Pi(e) Day song playlist you’ll ever need! Videos by American Songwriter For those that don’t know, it’s March 14—that is, 3.14. And if you didn’t major in math, ...

Best known as Pi Day, 3/14 is the celebration of the number that begins with 3.14159 … and never ends. Pi (π) is the ratio of a circle’s circumference to its diameter. Or, in other words, just divide ...