public bool CreateSinger(SingerViewModel singer)
        {
            bool inserted;

            if (useMock)
            {
                singerDaoMock = new SingerDaoMock();
                inserted      = singerDaoMock.InsertSinger(SingerMapper.ViewModelToModel(singer));
            }
            else
            {
                singerDao = new SingerDao();
                inserted  = singerDao.InsertSinger(SingerMapper.ViewModelToModel(singer));
            }

            return(inserted);
        }