Any Broadway producer will tell you there’s no magic formula for Broadway success. But that doesn’t stop some people from trying to find one. Particularly statisticians. Suspecting there’s a golden ...

In the 80s, for example, low tempo ballad-esque musical styles were more likely to become a hit. Plus, before the 80s the "danceability" of a song was not particularly relevant to its hit potential.

The researchers then created an additional three-step tool to create an algorithm to determine the probability Lennon wrote a song over McCartney, or vice-versa.