public static AlbumIdentification GetEmpty(int numberOfTracks)
        {
            var album = new AlbumIdentification
            {
                Id             = null,
                AlbumArtist    = "Unknown Artist",
                AlbumTitle     = "Unknown Album",
                NumberOfTracks = numberOfTracks
            };

            foreach (var trackNumber in Enumerable.Range(1, numberOfTracks))
            {
                album.AddTrack(TrackIdentification.GetEmpty(album, trackNumber));
            }

            return(album);
        }
 public void AddTrack(TrackIdentification track)
 {
     track.SetAlbum(this);
     _tracks.Add(track);
 }