private Artist CreateArtistFromModel(ArtistOutputModel artist)
        {
            var newArtist = new Artist
                {
                    Id = artist.Id,
                    Name = artist.Name,
                    Country = artist.Country,
                    Nickname = artist.Nickname,
                    DateOfBirth = artist.DateOfBirth,
                };


            this.musicArtistsData.Artists.Add(newArtist);
            this.musicArtistsData.SaveChanges();
            return newArtist;
        }
        private void UpdateArtist(ArtistOutputModel artistUpdate, Artist artist)
        {
            artist.Name = artistUpdate.Name;
            artist.Country = artistUpdate.Country;
            artist.Nickname = artistUpdate.Nickname;
            artist.DateOfBirth = artistUpdate.DateOfBirth;

            this.musicArtistsData.SaveChanges();
        }