Not sure how I missed this for so long. But via the Facebook group I bet Ludwig von Mises can get more fans than John Maynard Keynes, I found this video from EconStories:
Under the heading “Learn More”, the creators of the video direct us to a Daily Kos article that explains the lyrics more fully. It’s the Daily Kos, but the author of that article admits to having “Hayekian leanings”.
Economics on Facebook and rap videos? Could economics be cool?