I can hear those notes, too. It's said to be an aspie trait.
I remember one time, when I worked for my father, who, designs and manufacturers radio broadcast
equipment - he was testing out a unit, two floors DOWN from where I was, and this super annoying
noise was going on in my ears. I thought it was one of those pressure things going on but it would just
I ran down stairs and said "could you knock off the damn annoying high pitched noise already, PLEASE?!?!?"
And my father said "Jesus, honey, only dogs and dolphins should be able to hear that!"
Try different brands of earplug to see if it's just the shape or material.
Steak, eggs, potatoes - fruits, nuts, berries and forage. Coconut milk and potent herbs and spices. Tea instead of coffee now and teeny amounts of kelp daily. Let's see how this does! Not really had dairy much, and gut seems better for it.