Harry: "If Voldemort is back - which he is - then you're in mortal peril! Don't you get it? It's just like the Spider-Man movie, haven't you seen that? MJ and Peter Parker can't be together."
Harry: "Yeah, I know, but the whole point of Spider-Man 3 is everything sucks and that falls to shit! Ginny, what I'm trying to say is I don't want my life to be like Spider-Man 3. I hated that movie."
This is a fan musical that is also a parody of the series. Elements are borrowed. Even though the musical is based of the book series, so is this film.