These three Rheinmaidens possess the much sought Rheingold. If you get your hands on this and renounce love you can rule the world. If you can get the world to use the money you make out of nothing and charge interest you have this gold. Das Rheingold is an opera by Richard Wagner. Bayreuth (pronunciation: http://www.answers.com/bayreuth?cat=travel&gwp=13 ) is the small German city where Wagner built the Festspielhaus, home of Wagner festivals since its opening in 1876.