So, this is Bach's Coffee Cantata. As you might deduce from the name, it is, in fact, about coffee. Apparently, there was some controversy in Vienna when the rotten kids of the day started drinking coffee instead of beer. Coffee was obviously the work of the devil. The translation appears to be accurate. Looks like the original is
In short, this is akin to the hilarious parody "Hitler finds out that Germany is totally going to lose WWII". With a big rapper head pasted on it.