Traceback (most recent call last):
  File "/var/www/client175/cherrypy/_cprequest.py", line 606, in respond
    cherrypy.response.body = self.handler()
  File "/var/www/client175/cherrypy/_cpdispatch.py", line 25, in __call__
    return self.callable(*self.args, **self.kwargs)
  File "/var/www/client175/server.py", line 245, in edit
    f.write_tags(tags)
  File "/var/www/client175/metadata/_base.py", line 219, in write_tags
    self._set_tag(raw, self.tag_mapping[tag], tagdict[tag])
  File "/var/www/client175/metadata/_id3.py", line 105, in _set_tag
    frame = id3.Frames[tag](encoding=3, text=data)
  File "/var/www/client175/mutagen/id3.py", line 979, in __init__
    self, kwargs.get(checker.name, None))
  File "/var/www/client175/mutagen/id3.py", line 742, in validate
    value = value.split(self.sep)
UnicodeDecodeError: 'ascii' codec can't decode byte 0xc3 in position 18: ordinal not in range(128)