Simplify the following text for a Grade 10 native English-speaking person.
Original: These versions were banned once the Nazis came to power and the Communist and Social Democratic parties repressed , but during the years of the Third Reich the song was parodied in underground versions , poking fun at the corruption of the Nazi elite .
Simplified: These versions were of course banned once the Nazis came to power and the Communist and Social Democratic parties repressed . But during the years of the Third Reich the song was parodied in various underground versions , most of them poking fun at the corruption of the Nazi elite .