class Media:
	
	file_name = title = artist = album = genre = comment = album_artist = \
		composer = publisher = category = year = track = length = type = \
		last_update = last_play = rating = play_count = file_time = \
		file_size = bit_rate = disc = replaygain_album_gain = \
		replaygain_track_gain = bpm = discs = tracks = is_podcast = \
		podcast_channel = podcast_pub_date = gracenote_file_id = \
		gracenote_ext_data = lossless = codec = director = producer = width = \
		height = tuid2 = None