private void Do_Center_Artist(ComposedObservedCollection<IArtist, IAlbum> LookUp)
        {
            if (LookUp == null)
                return;

            DoGoToArtist(LookUp.Key);
        }
        private void Do_Center_Genre(ComposedObservedCollection<IGenre, IAlbum> LookUp)
        {
            if (LookUp == null)
                return;

            DoGoToGenre(LookUp.Key);
        }