code: public void set(final Pad pad, final Color color) throws InvalidMidiDataException {
      receiver.send(new ShortMessage(pad.getCommand(), this.channel.channelForSystem(), pad.getCode(),
          color.getCode()), -1);
    }
docs: To set the {@link Color} of a {@link Pad}, use this method.
  
  @param pad The {@link Pad} that you want to set to a {@link Color}.
  @param color The {@link Color} that you want the {@link Pad} to be lit up.
  @throws InvalidMidiDataException The communication failed.