Yes... I have heard of this.
Also the tri tone like NBC used to use in its TV spots
was only 3 tones, creating what is known as discordance. It was used to agitate viewers who were starting to drift off.
https://www.youtube.com/watch?v=rP6Z86iDFjU
In response Charlie Lost in the Woods⍟ to his Publication
it is also used on food commercials and in stores, everywhere. It's all swirling around us, just tuned out of frequency. Tesla wrote of this. Much Love Charlie! Blessings
Ego should have no place, in the heart of man! Numquam Cedere -Never Surrender ***5 Year Active Duty Veteran- Operation Desert Fox.
In response Jay Dee to her Publication
Love you as well, Jay Dee...
Blessings to you and your kin.