This sound seems easier to produce with an instrument than with training. It's like a half-human, half-beast, raspy, very loud AAAAAAAAAH! Takes much less train

This sound seems easier to produce with an instrument than with training. It's like a half-human, half-beast, raspy, very loud AAAAAAAAAH! Takes much less training to use the whistle properly than to imitate a signature scream perfectly.