So, YViaLR&OIHtK - winner of most annoying movie title - is based on a story by Edgar Allen Poe, but it doesn't matter. The movie is a mess. It's terribly written, full of horribly-unlikeable characters, and held together by loose plot threads.
The movie begins with a title sequence that may have inspired _Basic Instinct_. I knew this was going to be a long ride when only a few minutes in, the movie turns into a musical. Does this matter at all? Nope, this is a giallo, after all. An odd misdirect here is that we are watching a proto-slasher, but that turns out to be nothing. I can see how the writer was trying to be ambitious, but it simply does not work. The acting is okay, for the most part, aside from a moment where Ermelinda De Felice lets out a scream that is so overacted as to be comical.
Were there any good parts here? Fenech boob, and a big fluffy cat named Satan.

Post script: our cute kitty, Satan, is mistreated in two scenes: he is hit with a broom, and treated very roughly by hand. I'm just glad he wasn't actually stabbed in the eye. Poor kitty. Seriously, the Italians and animal abuse, what was the deal?