Illuminati

I don't know how this got missed after over 20 years. But....

(The Illuminati were probably hiding it.)

https://tomsmith.bandcamp.com/track/the-illuminati-polka

The Illuminati Polka, by Tom SmithTom Smith

https://www.youtube.com/watch?v=CRryhkZHEL0

The Illuminati Polka (Music Video)YouTube

Exactly five years ago, the British Broadcasting Corporation (BBC) published an article entitled "The accidental invention of the Illuminati conspiracy"

https://web.archive.org/web/20191021095027/https://www.bbc.com/future/article/20170809-the-accidental-invention-of-the-illuminati-conspiracy

The accidental invention of the Illuminati conspiracy@BBC_Future

Later, this article's thesis that the Illuminati conspiracy was invented by Discordians was used in some popular videos by BBC, Vice media as well as in Brenton Clutterbuck's "Chasing Eris" book.