When I was playing in bands, I was around many intelligent people who were not what would be called "textbook smart". They had no knowledge of economics or calculus but could create music, discuss art and film, and held strong ideological and sociological beliefs.
I moved from the artistic world into the business world, largely, because it was depressing to be poor, and I was tired of making 200 bucks a week as a waiter while supporting my lifestyle. On top of that, I had come to Chicago from Atlanta and I felt really out of place as a newcomer in the Chicago music scene.