internal LockerTrackInfo(MP3tunes.Track track, bool sync)
        {
            CanSaveToDatabase = false;

            if(!sync) {
                return;
            }

            uri = track.Uri;
            album = track.Album;
            artist = track.Artist;
            title = track.Title;

            duration = track.Duration;

            track_number = track.TrackNumber;
        }
 internal LockerTrackInfo(MP3tunes.Track track)
     : this(track, true)
 {
 }