code: protected double getBottomY() {
  		//TODO add space for lyrics, low notes...
  		double ret = get1stLineY();
  		if (m_tablature != null) {
  			ret += getTemplate().getAttributeSize(ScoreAttribute.TABLATURE_SPACING);
  			ret += m_tablature.getHeight();
  		}
  		return ret;
  	}
docs: Return the bottom most (Y) point, first staff line +
  lyrics line + tablature + ...