static void Main(string[] args)
        {
            var Rock            = new Genre("Rock");
            var AltRock         = new SubGenre("Alt Rock", Rock);
            var FallOutBoy      = new Artist("Fall Out Boy", AltRock);
            var SaveRockAndRoll = new Album("Save Rock and Roll", 2013, FallOutBoy);

            SaveRockAndRoll.AddTrack(new Track(FallOutBoy, SaveRockAndRoll, "The Phoenix"));
            SaveRockAndRoll.AddTrack(new Track(FallOutBoy, SaveRockAndRoll, "Alone Together"));
            SaveRockAndRoll.AddTrack(new Track(FallOutBoy, SaveRockAndRoll, "The Mighty Fall"));
            SaveRockAndRoll.AddTrack(new Track(FallOutBoy, SaveRockAndRoll, "Death Valley"));
            SaveRockAndRoll.AddTrack(new Track(FallOutBoy, SaveRockAndRoll, "Just One Yesterday"));

            var AmBeautyAmPsycho = new Album("American Beauty / American Psycho", 2014, FallOutBoy);

            AmBeautyAmPsycho.AddTrack(new Track(FallOutBoy, AmBeautyAmPsycho, "Irresistible"));
            AmBeautyAmPsycho.AddTrack(new Track(FallOutBoy, AmBeautyAmPsycho, "Centuries"));
            AmBeautyAmPsycho.AddTrack(new Track(FallOutBoy, AmBeautyAmPsycho, "Uma Thurman"));
            AmBeautyAmPsycho.AddTrack(new Track(FallOutBoy, AmBeautyAmPsycho, "Novocaine"));
            AmBeautyAmPsycho.AddTrack(new Track(FallOutBoy, AmBeautyAmPsycho, "Immortals"));

            FallOutBoy.AddAlbum(SaveRockAndRoll);
            FallOutBoy.AddAlbum(AmBeautyAmPsycho);

            //Console.WriteLine(AmBeautyAmPsycho.Artist.Albums[0].Name);

            var Catalog = new Catalog("First Catalog");

            Catalog.AddAlbum(SaveRockAndRoll);
            Catalog.AddAlbum(AmBeautyAmPsycho);

            var Pop        = new Genre("Pop");
            var DemiLovato = new Artist("Demi Lovato", Pop);
            var Confident  = new Album("Confident", 2015, DemiLovato);

            Confident.AddTrack(new Track(DemiLovato, Confident, "Confident"));
            Confident.AddTrack(new Track(DemiLovato, Confident, "Kingdom Come"));
            Confident.AddTrack(new Track(DemiLovato, Confident, "Old Ways"));

            DemiLovato.AddAlbum(Confident);
            Catalog.AddAlbum(Confident);

            var TheBestOfAll = new TrackCollection("The Best Of All");

            TheBestOfAll.AddTrack(new Track(DemiLovato, Confident, "Confident"));
            TheBestOfAll.AddTrack(new Track(FallOutBoy, AmBeautyAmPsycho, "Immortals"));
            TheBestOfAll.AddTrack(new Track(FallOutBoy, AmBeautyAmPsycho, "Irresistible"));
            TheBestOfAll.AddTrack(new Track(FallOutBoy, AmBeautyAmPsycho, "Centuries"));

            Catalog.AddTrackCollection(TheBestOfAll);

            Search search = new Search(Catalog);

            search.SearchArtists();
            search.SearchAlbums();
            search.SearchArtistsWithGenre(AltRock);

            search.MultiPurposeTrackSearch();
        }
 public void AddTrackCollection(TrackCollection collection)
 {
     this.TrackCollection.Add(collection);
 }