private void ShowLibraryList(object sender, RoutedEventArgs e)
        {
            List.Items.Clear();
            DetailListing.Items.Clear();

            MenuShowLibraryList.IsChecked = true;
            MenuShowPlaylists.IsChecked   = false;

            foreach (string root in _libraryManager.GetAllRoots())
            {
                List.Items.Add(root);
            }

            foreach (Song song in _libraryManager.GetSongManager().GetAllSongs())
            {
                DetailListing.Items.Add(song);
            }
        }