public Task <IEnumerable <Band> > GetBands(string filter)
 {
     return(_bandRepository.GetBands(filter));
 }
        // GET: Music
        public ActionResult Index()
        {
            var bands = _bandRepository.GetBands();

            return(View(bands));
        }
 // GET: Music
 public ActionResult Index()
 {
     return(View(_bandRepository.GetBands()));
 }