public void SpawnSetOfBeatBars(int leftBeatX, int rightBeatX)
{
Beat left = Instantiate(beat.gameObject).GetComponent <Beat>();
left.SetSide("left");
left.transform.position = new Vector3(leftBeatX, 0);
Beat right = Instantiate(beat.gameObject).GetComponent <Beat>();
right.SetSide("right");
right.transform.position = new Vector3(rightBeatX, 0);
beats.Enqueue(new Beat[] { left, right });
}