And David will go even to Ornan, and Ornan will look and see David, and he will go forth from the threshing-floor, and he will worship to David, the face to the earth.

And David will say to all the convocation, Praise ye now Jehovah your God. And all the convocation will praise to Jehovah the God of their fathers, and they will bow down and worship to God and the king.

Some of them were in charge of the utensils used in worship. They would count them when they brought them in and when they took them out.

Ascribe to Yahweh the glory of His name;
bring an offering and come before Him.
Worship the Lord in the splendor of His holiness;

Zadok the priest and his fellow priests served before the Lord's tabernacle at the worship center in Gibeon,

They gave worship with songs before the House of the Tent of meeting, till Solomon put up the house of the Lord in Jerusalem; and they took their places for their work in their regular order.

And he put some of the Levites before the ark of the Lord as servants, to keep the acts of the Lord in memory, and to give worship and praise to the Lord, the God of Israel:

And for the divisions of the priests and Levites, and for all the work in connection with the worship of the house of the Lord, and all the vessels used in the house of the Lord;