What is the Matryoshka Presque? A collection of references to fake books, movies, plays, and other fake artistic works that real artists use in their stories. And to make it more fun, I have placed reviews of these works on various sites, in related reviews of the work they first appeared in.
The Cantata Of Cora Vessora: Opera about a witch who wouldn't become a Jedi but didn't want to become a Sith. Appeared in Life Debt by Chuck Wendig. My review of the opera is here.