You may take this exam as many times as necessary, but you may not proceed to the next unit until you achieve a score of 100%.
If you have problems with MIDI input, please try closing your browser completely and re-opening this applet before choosing any other applets.
Also, there may be times when MIDI input may not work after you hit the Reload button.
This applet may flicker because it refreshes the screen every 50ms. There may be ways to fix this in future enhancements.