public Artist GetArtist(int id)
        {
            IArtistDomain domain = new ArtistDomain();

            return(domain.GetArtist(id));
        }
        public IEnumerable <Artist> GetArtistAll(string nombre)
        {
            IArtistDomain domain = new ArtistDomain();

            return(domain.GetArtist(nombre));
        }