private ISequencerNoteHandler GetSpawner(SequencerNoteReceptacle receptacle)
    {
        ISequencerNoteHandler ret;

        if (!spawners.TryGetValue(receptacle, out ret))
        {
            ret = new MySpawner(receptacle);
            spawners.Add(receptacle, ret);
        }

        return(ret);
    }
 public MySpawner(SequencerNoteReceptacle receptacle)
 {
     this.receptacle = receptacle;
 }