Looks really cool. I'm not sure if introducing inversions in the more advanced mode works for me: without a piano keyboard in front of you the concept wouldn't

Looks really cool. I'm not sure if introducing inversions in the more advanced mode works for me: without a piano keyboard in front of you the concept wouldn't make much sense to a beginner. So the basic mode sounds kind of jarring as you jump around first inversions, I think I expected to hear a bass note and then the triad being the closest inversion to the root chord. Just nitpicking though, congratulations on building this :)