--- dir2ogg	2011-08-25 10:10:55.000000000 +0200
+++ die2ogg	2011-08-25 10:51:54.000000000 +0200
@@ -191,6 +191,13 @@
         if convert:
             convert = dict([(k.lower(), v.lower()) for k, v in convert.items()]) # Fix convert
         for key, val in mydict.items():
+            if isinstance(key, unicode):
+                warn('Mutagen unicode key %s' % key)
+                i = key.find("::") # hack if mutagen key==unicode: COMM::'XXX'
+                if i>=0:
+                    key = str(key)
+                    key= key[:i]
+              
             key = key.lower()
             key = convert and (key in convert and convert[key] or key) or key
             if not key in self.accept: