//CREAR MUSICA
 public IHttpActionResult AgregaMusica([FromBody] musica mus)
 {
     if (ModelState.IsValid)
     {
         dbContext.musicas.Add(mus);
         dbContext.SaveChanges();
         return(Ok(mus));
     }
     else
     {
         return(BadRequest());
     }
 }
        //Modificacion Musica
        public IHttpActionResult ActualizarMusica(string id, [FromBody] musica mus)
        {
            if (ModelState.IsValid)
            {
                var MusicaExiste = dbContext.musicas.Count(c => c.id.Equals(id)) > 0;

                if (MusicaExiste)
                {
                    dbContext.Entry(mus).State = EntityState.Modified;
                    dbContext.SaveChanges();

                    return(Ok());
                }
                else
                {
                    return(NotFound());
                }
            }
            else
            {
                return(BadRequest());
            }
        }