At that time LORD set apart the tribe of Levi, to bear the ark of the covenant of LORD, to stand before LORD to minister to him, and to bless in his name, to this day.
And Joshua the son of Nun called the priests, and said to them, Take up the ark of the covenant, and let seven priests bear seven trumpets of rams' horns before the ark of LORD.
and they commanded the people, saying, When ye see the ark of the covenant of LORD your God, and the priests the Levites bearing it, then ye shall move from your place, and go after it.
And he said to the Levites who taught all Israel, who were holy to LORD, Put the holy ark in the house which Solomon the son of David king of Israel built. There shall no more be a burden upon your shoulders. Now serve LORD your Go