private void DecreaseBPM()
 {
     if (TempoController.GetComponent <Pendulum>().speed > 1.5)
     {
         TempoController.GetComponent <Pendulum>().speed -= 0.05f;
     }
 }
 private void IncreaseBPM()
 {
     if (TempoController.GetComponent <Pendulum>().speed < 12)
     {
         TempoController.GetComponent <Pendulum>().speed += 0.05f;
     }
 }