I created a web app for music that keeps you focused

[mynameisjohn]

Removed

[TimtheYoutuber]

Where is the music coming from? Did you create it yourself or did you purchase the rights to display it?

I am assuming you created all of the graphics too?

[Vod]

You should probably get a doctor to recommend this.  People are more likely to try/buy if it's backed by something factual. 

[Synchronice]

That being said, there is a plenty of free content on the site, so it is not necessary to pay anything.

It's good that you offer free content, I might try it but I wanna know, is there a significant difference between free and premium tracks? And is there really any evidence that they help with the focus? Are they good for a person with ADHD or ADD? How would it compare to Ritalin, Vyvanse or Adderall? To be honest, I am very skeptical in this case but since you have a free plan, I might give it a try.

You should probably get a doctor to recommend this.  People are more likely to try/buy if it's backed by something factual. 

How should he get a doctor's recommendation? The only thing that comes to my mind is to hire a group of doctors to make a research and publish results on ncbi.nlm.nih.gov but that would cost a fortune.

[Vod]

How should he get a doctor's recommendation?

Unless he is educated in this himself, he must have done some research.   I'm sure through that research he talked to several people that like the idea.
Your first paragraph shows how a doctor recommendation could help.

You also have to worry about him whispering in your subconscious mind "Send all your bitcoin to .....".  The trick will be remembering the address when you wake up. 
https://en.wikipedia.org/wiki/Subliminal_stimuli