1 Chronicles 15:1-4

Now David built houses for himself in the city of David; and he prepared a place for the ark of God and pitched a tent for it.

Then David said, “No one is to carry the ark of God except the Levites; for the Lord chose them to carry the ark of the Lord and to serve Him forever.”

And David assembled all Israel at Jerusalem to bring up the ark of the Lord to its place which he had prepared for it.

David gathered together the sons of Aaron and the Levites: