'Look for featured artists in the item\'s artist fields and move
them to the title.'

def ft_in_title(self, item, drop_feat):

    artist = item.artist.strip()
    albumartist = item.albumartist.strip()
    (_, featured) = split_on_feat(artist)
    if (featured and (albumartist != artist) and albumartist):
        self._log.info('{}', displayable_path(item.path))
        feat_part = None
        feat_part = find_feat_part(artist, albumartist)
        if feat_part:
            self.update_metadata(item, feat_part, drop_feat)
        else:
            self._log.info(u'no    featuring    artists    found')
