 Jazz Jackalope for the piano-keys text patch and testing
 zxin for testing
 Studio Pixel indirectly for piyoDrums.bin (it's extracted out of PiyoPiyo).
 (Please don't sue me?)

 Regarding the following - it seems to just be a standard musical formula.
 Nevertheless:
  // Thank you liborganya, as it's where I got this from.
  double freq = 8363d * Math.pow(2.0d, pos / 12.0d) / 22050d;

