Will

I have difficulties (as a Swedish) finding words in English but this text is good for your music and picture:    It’s a bit like non-linear sound, scary, because it extend beyond the normal capacity of the vocal cords. And our brains have evolved to understand the abnormality in these sounds, so we instantly know something is wrong or that there's danger close by  (Google).   

Best,

Stig

P.S. I think our Finnish film director  Renny Harlin ( Cliffhanger) could ask if he can use this

Like a british band...