code: public boolean play (SoundType type, String pkgPath, String key, int delay)
      {
          return play(type, pkgPath, key, delay, PAN_CENTER);
      }
docs: Play the specified sound after the specified delay.
  @param delay the delay in milliseconds.
  @return true if the sound actually played, or false if its sound type was disabled or if
  sound is off altogether.