 I think scream singing happens when you can't properly hit the note. So your voice cracks, you're scream singing then. Growling is the same thing on the bottom, basically. You know, I mean, there are techniques over the years I've learned to scream or screech or growl and, you know, trick techniques to kind of make it easier on your voice. It's still not great for your voice, but way less damaging. What's an example? Backwards breathing.