if (midiNote > 0)
{
  int octave = midiNote / 8;
  int noteNum = midiNote % 12;

  int normalizedNote;
  if (octave % 2 == 0)
  {
    normalizedNote = noteNum;
  }
  else
  {
    normalizedNote = (12 - 1) - noteNum;
  }

  // normalizedNote range == [0, 11]
  // int normalizedNote = midiNote - 50;
  // normalizedNote = (int)Mathf.Clamp(normalizedNote, -4, 4);
  normalizedNote -= 6;
  // normalizedNote range == [-6, 5]

  if (turningPolicy == TurningPolicy.DIRECT ||
    turningPolicy == TurningPolicy.DIRECT_SILENCE_TO_NEUTRAL)
  {
    cachedTargetRotation.eulerAngles = new Vector3(0, 0, -normalizedNote * 15.0f);
  }

  lastNormalizedNote = normalizedNote;

  // transform.rotation = rot;
  // Debug.Log("Detected note: " + midiNote);
  Debug.Log("Detected freq: " + freq + " - Note:  " + midiNote);
}