public async Task <IActionResult> Index(string searchTerm) { SearchViewModel viewModel = new SearchViewModel(); if (string.IsNullOrEmpty(searchTerm)) { return(View(viewModel)); } viewModel.SearchTerm = searchTerm; viewModel.Artists = await _artistsService .SearchArtistsAsync(searchTerm); viewModel.Lyrics = await _lyricsService .SearchLyricsAsync(searchTerm); return(View(viewModel)); }