def append_notes(self, notes, root, scale=0):
        """ Append notes to quality

        :param list[str] notes: notes to append on quality
        :param str root: root note of chord
        :param int scale: key scale
        """
        for note in notes:
            self.append_note(note, root, scale)
Append notes to quality

        :param list[str] notes: notes to append on quality
        :param str root: root note of chord
        :param int scale: key scale