Press r to begin. Hold down q and press buttons from 1 to 8. each digit makes a different tone. hold w (without holding q) to go up one octave, and hold e to go up another octave. you can do the same with t, y and u, but each tone will be half a tone higher. You can press 2 numbers at once
I did not use any ideas from other people. I wanted to make my own instrument and thought i could use scratch to make it. And i used the keyboard as instrument. And here we are.