If you loved The Phantom of the Opera, try Giallo
A bridge between a film you've already seen and one most people haven't. Here's what they share, and what the second one does that the first one doesn't.
What they share
Both films are directed by Dario Argento, and they both carry the dread mood tag, and they sit in Horror / Mystery territory. If that's the register that drew you to The Phantom of the Opera, the second film will land in a comparable space — through a different lens.
dread
What Giallo is
Turin. Rain on glass. A missing tourist, vanished from the hotel. Her sister and a haunted police detective hunt a monster through a maze of locked rooms. Argento's late-period morbidity is not for all.

