That may sound hard to believe, but it is fun. Go to "Fear the Boom and Bust" a Hayek vs. Keynes Rap Anthem. It shows the opposing views of two economists, John Maynard Keynes, who tended to think that the government needed to guide the economy, and FA Hayek, who tended to think that the government should just let markets work. That may be too simplfied, but I just want to give the general idea. (Hat Tip: Ryan Castro).
Here are links to good articles about each economist: