方便你添加id3信息的一个脚本，

fillid3

#!/usr/bin/python2.7
#encoding=utf8
#Usage example : ./fillid3 run.mp3
#This tool aim to tackle id3 v1 tags, v1 only support ISO-8859-1 encoding!
#Want other language support, convert to id3 v2 format.
from mutagen.mp3 import MP3
from mutagen.id3 import ID3, TRCK, TIT2, TPE1, TALB, TDRC, TCON, COMM
from mutagen.easyid3 import EasyID3
import sys
if len(sys.argv)<2:
		sys.exit('Usage: {0} musicFile'.format(sys.argv[0]));
print("Modify file:\n" + sys.argv[1])
audio=ID3(sys.argv[1])
if "TIT2" not in audio:
	audio.add(TIT2(encoding=3, text=u"Unknown"))#标题
if "TPE1" not in audio:
	audio.add(TPE1(encoding=3, text=u"Unknown"))#艺术家
if "TALB" not in audio:
	audio.add(TALB(encoding=3, text=u"Unknown"))#专辑
audio.save()
#audio.add(TRCK(encoding=3, text=u"Unknown"))#年份
#audio.add(TDRC(encoding=3, text=u"Unknown"))#年份
#audio.add(TCON(encoding=3, text=u"Unknown"))#流派
#audio.add(COMM(encoding=3, text=u"Unknown"))#评论
audio = EasyID3(sys.argv[1])

#Title
print("")
print("Title:")
print('Current: {0}'.format(audio["title"]))
mtitle=raw_input("")
if len(mtitle)>0:
		audio["title"]=mtitle

#Artist
print('Artist:')
print('Current: {0}'.format(audio["artist"]))
martist=raw_input("")
if len(martist)>0:
		audio["artist"]=martist

#Album
print('Album')
malbum=""
print('Current: {0}'.format(audio["album"]))
malbum=raw_input("")
if len(malbum)>0:
		audio["album"]=malbum
	
#Save
audio.save()

Currently only support ASCII encoding characters.