This game gives off such a good vibe, I loved it, a very interesting implementation of the theme without a doubt. the art and music are so good as well! Good job!

The visuals are great, and the music is really cool! I'd like to see more effects tho, like glow on the A/D buttons when you press them, some particles and stuff like that!

But something that really confused me was the fact that the hardest song only had 4 notes. Is it supposed to be like that or that's a problem with the web build?

I won't rate the game based on that experience, because I'm assuming the web build is broken. It would be really unfair if I did that.

I'll comment again after playing the windows version of the game.

I like the game it was  a lot of fun. I like the idea of switching between the two game windows, but I wish there was more of an indicator of when to switch (in the audio or visually). Also on the hardest song the notes come in really fast, it might be easier to read if they move in at a constant velocity instead of decelerating as the approach.

So creative with the theme, having to swap screens is very unique, very fun!