On the bottom is an octave scale. Press the buttons with a musical letter on it to "see" what it "sounds like" If you press the buttons too rapidly, it might be very glitchy, but if you want to share it you can :)
This is for the studio Make Music! Check it out! https://scratch.mit.edu/studios/1999784/ It is for CS Education Week :) Project idea by me, @ExperienceSea This project may be based off of Synesthesia, where someone associates colors and shapes with other senses, or letters