He told the Levites, who instructed all Israel about things consecrated to the Lord, “Place the holy ark in the temple which King Solomon son of David of Israel built. Don’t carry it on your shoulders. Now serve the Lord your God and his people Israel!
At that time the Lord set apart the tribe of Levi to carry the ark of the Lord’s covenant, to stand before the Lord to serve him, and to formulate blessings in his name, as they do to this very day.
and commanded the people: “When you see the ark of the covenant of the Lord your God being carried by the Levitical priests, you must leave here and walk behind it.
So Joshua son of Nun summoned the priests and instructed them, “Pick up the ark of the covenant, and seven priests must carry seven rams’ horns in front of the ark of the Lord.”