public void saveSong(Song song, int albumId)
 {
     ICollection<ValidationResult> validationResult;
     if (!song.Validate(out validationResult))
     {
         var vx = new ValidationException("Objectet klarade inte validering.");
         vx.Data.Add("validationResult", validationResult);
         throw vx;
     }
     if (song.SongId == 0)
     {
         Song.AddSong(song, albumId);
     }
     else
     {
         Song.UpdateSong(song, albumId);
     }
 }