Give an example of the Roman Clef?

Answer:
This is not a musical "clef" at all ...

Due to limitations on certain characters in the question box the question should read:

"Give and example of the roman à clef"

The answer:

Novel with a "key" ... a writing about real life with fiction undertones. Some famous figure, or even the author themselves are the "key" in the book.
First answer by Bozidar. Last edit by Bozidar. Contributor trust: 1656 [recommend contributor recommended]. Question popularity: 1 [recommend question].