Because he used protection (poly-protection counterpoint).
2. What's the difference between a well-dressed man on a unicycle and J.S. Bach?
The well-dressed man on a unicycle is well-balanced.
3. What happened when Bach fell into a river?
He came out with a trout.
4. Why did Bach cross the road?
To get to the other fugue.
5. What did Bach say to his son who didn’t like to practice?
“Without practice, you’ll never be good enough to write the Art of Fugue!”