Supposedly that was the inspiration for the story told in “the Godfather” , about a bandleader letting someone out of a contract. As Michael Corleone told the story, either his brains or his signature would be on the contract release .
True. It was a lousy contract. 43% of the Sinatra song money to Doresy forever. Sinatra later called it “a ratty little piece of paper.”
Covered in this article:
https://www.crimelibrary.org/gangsters_outlaws/cops_others/frank_sinatra/2.html