diff --git a/python_apps/media-monitor2/media/monitor/eventcontractor.py b/python_apps/media-monitor2/media/monitor/eventcontractor.py
index f9ff96dd7..ececfb846 100644
--- a/python_apps/media-monitor2/media/monitor/eventcontractor.py
+++ b/python_apps/media-monitor2/media/monitor/eventcontractor.py
@@ -48,8 +48,12 @@ class EventContractor(Loggable):
             # checked against the newest event 'evt' in this case
             self.unregister( old_e )
         evt.add_safe_pack_hook( lambda : self.__unregister(evt) )
-        assert evt.path not in self.store, \
-            "Clean up should have been called by '%s'" % evt
+
+        if evt.path in self.store:
+            self.logger.warn("Clean up should have been called by '%s'" %
+                    str(evt))
+            self.logger.warn("Overwriting event for '%s'" % evt.path)
+
         self.store[ evt.path ] = evt
         return True # We actually added something, hence we return true.
 
diff --git a/python_apps/media-monitor2/media/monitor/events.py b/python_apps/media-monitor2/media/monitor/events.py
index 660ff4c40..1941ea5b1 100644
--- a/python_apps/media-monitor2/media/monitor/events.py
+++ b/python_apps/media-monitor2/media/monitor/events.py
@@ -113,9 +113,9 @@ class BaseEvent(Loggable):
         self._raw_event   = evt
         self.path         = evt.path
         self.__class__    = evt.__class__
-        # We don't transfer the _pack_hook over to the new event
-        # TODO : perhaps we should call the old events pack_hook just to make
-        # sure everything is done cleanly?
+        # Clean up old hook and transfer the new events hook
+        self.reset_hook()
+        self.add_safe_pack_hook( evt._pack_hook )
         return self
 
     def assign_owner(self,req):
diff --git a/python_apps/media-monitor2/media/monitor/metadata.py b/python_apps/media-monitor2/media/monitor/metadata.py
index 7405d3b12..6f45ab8f1 100644
--- a/python_apps/media-monitor2/media/monitor/metadata.py
+++ b/python_apps/media-monitor2/media/monitor/metadata.py
@@ -172,6 +172,7 @@ class Metadata(Loggable):
             return
         # TODO : Simplify the way all of these rules are handled right not it's
         # extremely unclear and needs to be refactored.
+        if full_mutagen is None: full_mutagen = {}
         self.__metadata = Metadata.airtime_dict(full_mutagen)
         # Now we extra the special values that are calculated from the mutagen
         # object itself:
diff --git a/python_apps/media-monitor2/media/monitor/pure.py b/python_apps/media-monitor2/media/monitor/pure.py
index 77a725941..3116fa3fd 100644
--- a/python_apps/media-monitor2/media/monitor/pure.py
+++ b/python_apps/media-monitor2/media/monitor/pure.py
@@ -477,10 +477,11 @@ def file_playable(pathname):
     #between them.  We run the command as pypo because otherwise the target file
     #is opened with write permissions, and this causes an inotify ON_CLOSE_WRITE
     #event to be fired :/
-    return True
     command = ("airtime-liquidsoap -c 'output.dummy" + \
         "(audio_to_stereo(single(\"%s\")))' > /dev/null 2>&1") % \
         pathname.replace("'", "'\\''")
+    print(command)
+    return True
     return_code = subprocess.call(command, shell=True)
     return (return_code == 0)