public async Task <IActionResult> Put(int id, [FromBody] Song song)
        {
            Song ss = await _song.GetByID(id);

            if (song != null)
            {
                await _song.UpdateSong(id, song);
            }
            else
            {
                Post(song);
            }
            return(RedirectToAction("Get", new { id = song.ID }));
        }