click the squares to make piano music, the drum button to hear a simple rhythm, and the change color to change the color of the keys
I actually used this at my weekly co-op presentation (Fridays), and it was really awesome. So you should probably expect some new scratchers sooner or later. ¯\_(ツ)_/¯. 11/10: welp, this is my 2nd project to get over 1000 views.