In his CPH:DOX talk, Gibney also revealed he is “just finishing up” another portrait film, about David Chase, creator of The Sopranos. “That’s an unexpected labour of love,” said Gibney. “Why do you think he decided to make The Sopranos? Mommy issues. He wanted to make a movie about his mother [The Sopranos was originally pitched as a feature film], and how crazy she was and how difficult it was growing up with him.