// Update is called once per frame
    void FixedUpdate()
    {
        t -= Time.fixedDeltaTime;
        if (t <= 0f)
        {
            int [,] notes = BackgroundMusic.GetNextEvent();
            for (int inst = 0; inst < 4; inst++)
            {
                int   degree     = notes[inst, 0] - 1;
                int   alteration = notes[inst, 1];
                float frequency  = 0f;
                int   power      = 0;
                if (degree >= 0)
                {
                    switch (inst)
                    {
                    case 0:
                        frequency = Scale.GetNoteFrequency(degree, alteration) / 4f;
                        chuck.RunCode(ChuckSynths.BG_Plucked_String(frequency));
                        break;

                    case 1:
                        power = degree;
                        chuck.RunCode(ChuckSynths.BG_Bass(power));
                        break;

                    case 2:
                        power = degree;
                        chuck.RunCode(ChuckSynths.BG_Snare(power));
                        break;

                    case 3:
                        power = degree;
                        chuck.RunCode(ChuckSynths.BG_Hi_Hat(power));
                        break;
                    }
                }
            }
            // Debug.Log(notes);
            t = eventDelta;
        }
    }