One of the many troubling passages of the Old Testament is found in 2 Samuel 6. There we find that King David and his troops travel to Baale Judah in order to return the ark to the City of David. So far, so good. But as they journeyed, they decided to place the ark on a brand new cart! This allowed the rest of the people to play all kinds of instruments, and dance before the cart as it went.
It seemed like a splendid idea. They would parade before the ark of God, making all kinds of noise and dances, really showing their emotions and sincerity before YHWH, demonstrating how pious and religious they were.