Python - Get id3 from MP3 File (See related posts)

def getID3(filename):
    fp = open(filename, 'r')
    fp.seek(-128, 2)

    fp.read(3) # TAG iniziale
    title   = fp.read(30)
    artist  = fp.read(30)
    album   = fp.read(30)
    anno    = fp.read(4)
    comment = fp.read(28)

    fp.close()

    return {'title':title, 'artist':artist, 'album':album, 'anno':anno}