public IActionResult Index()
        {
            var homeVM = new HomeViewModel()
            {
                BandCount      = _bandRepository.Count(x => true),
                CustomerCount  = _customerRepository.Count(x => true),
                AlbumCount     = _albumRepository.Count(x => true),
                LendAlbumCount = _albumRepository.Count(x => x.Borrower != null)
            };

            return(View(homeVM));
        }