'Update info about current song.'

def _update_current_song(self, response):

    song_match = re.search(CURRENT_SONG_PATTERN, response)
    if song_match:
        (self._media_title, self._media_artist, self._media_album) = song_match.groups()
        _LOGGER.debug('Got    song    as:    %s', self._media_title)
    else:
        _LOGGER.warning('No    song    match')
