public SongsListViewModel(IEventAggregator eventAggregator, ISongsService songsService)
: base(eventAggregator)
{
Songs = new BindableCollection <ISong>(songsService.GetAllSongs());
}
// GET: SongController async Task<IActionResult>
public async Task <IActionResult> IndexShowAllSongs()
{
IEnumerable <Song> songs = await _songsService.GetAllSongs();
return(View(songs.ToList()));
}