This is really interesting because I asked my Czech friend about this. I am a Middle School band teacher and I was trying to research the songs in "Three Czech Folk Songs" that we're playing: "Walking at Night", "Meadows Green" and "Spring, The Madcap"

Her response was: "Walking at Night" (aka Stodola Pumpa) is actually rather rowdy song with a chorus entirely unsuitable for young listeners. I hope you found a cleaner version of the text."

There must be a pretty raucus bunch of lyrics that we've all missed out on in our PG rated scouting days! :)