void IExtensionService.Initialize ()
        {
            account = LastfmCore.Account;

            if (account.UserName == null) {
                account.UserName = LastUserSchema.Get ();
                account.SessionKey = LastSessionKeySchema.Get ();
                account.ScrobbleUrl = LastScrobbleUrlSchema.Get ();
            }

            if (LastfmCore.UserAgent == null) {
                LastfmCore.UserAgent = Banshee.Web.Browser.UserAgent;
            }

            Browser.Open = Banshee.Web.Browser.Open;

            queue = new Queue ();
            LastfmCore.AudioscrobblerQueue = queue;
            connection = LastfmCore.Audioscrobbler;

            // Initialize with a reasonable value in case we miss the first StartOfStream event
            song_start_time = DateTime.Now;

            Network network = ServiceManager.Get<Network> ();
            connection.UpdateNetworkState (network.Connected);
            network.StateChanged += HandleNetworkStateChanged;

            // Update the Visit action menu item if we update our account info
            LastfmCore.Account.Updated += delegate (object o, EventArgs args) {
                actions["AudioscrobblerVisitAction"].Sensitive = String.IsNullOrEmpty (LastfmCore.Account.UserName);
            };

            ServiceManager.PlayerEngine.ConnectEvent (OnPlayerEvent,
                PlayerEvent.StartOfStream |
                PlayerEvent.EndOfStream |
                PlayerEvent.Seek |
                PlayerEvent.Iterate);

            action_service = ServiceManager.Get<InterfaceActionService> ();
            InterfaceInitialize ();
        }