public ArtistApiModel AddArtist(ArtistApiModel newArtistApiModel)
        {
            var artist = newArtistApiModel.Convert();

            artist = _artistRepository.Add(artist);
            newArtistApiModel.ArtistId = artist.ArtistId;
            return(newArtistApiModel);
        }
        public async Task <ArtistApiModel> AddArtistAsync(ArtistApiModel newArtistApiModel,
                                                          CancellationToken ct = default)
        {
            var artist = newArtistApiModel.Convert();

            artist = await _artistRepository.AddAsync(artist, ct);

            newArtistApiModel.ArtistId = artist.ArtistId;
            return(newArtistApiModel);
        }