

Oh yes, of course. I’ve played with a binaural beat generator to see how different tones affect me. For example gamma tones sound like a swarm of locust, but holy crap does it help me focus.
That said I will generally just search through YouTube as they will generally have a (somewhat) pleasant sounding binaural beats for just about any mood you are looking to invoke.
If you haven’t yet, I suggest you play around with a few different tones and see how they affect you.
But here’s the fun thing, your brain is incredibly flexible when you are that age. So your ability to learn and retain at the age of 8 would be significantly easier than it is as an adult. So yes if you put your mind to it, you could potentially be significantly smarter than you are as an adult.
Long story short this could easily 2x your education giving you genius level intelligence you’d get to retain even when you become an adult again.