Any Kurzweil K2000R or K2500R Rack owner can use CANCEL button & any keypad button (including +/-, 0, and CLEAR) to play the 12 notes of an octave.
This trick allows you to play any of the 128 notes at any of the 128 velocities.
Not sure why you would want to do this, but you can even make a “stuck-note” on purpose by releasing CANCEL *before* releasing a keypad button (To kill the note simply hold CANCEL and tap that keypad number again).
