public async Task <ActionResult> GetAlbumArtwork(string artist, string title)
{
var album = await _repo.GetAlbumOrCreate(artist, title);
if (album == null)
{
return(NotFound());
}
var artworkUrl = await _artworkService.GetArtworkUrlFor(album);
if (artworkUrl == null)
{
return(NotFound());
}
return(Redirect(artworkUrl));
}