TSK · Nehemiah 12:25

and that they should keep the duty of the Tent of Meeting, and the duty of the holy place, and the duty of the sons of Aaron their brothers, for the service of the house of Yahweh.

To Obed-Edom southward; and to his sons the storehouse.

He appointed, according to the ordinance of David his father, the divisions of the priests to their service, and the Levites to their offices, to praise, and to minister before the priests, as the duty of every day required; the doorkeepers also by their divisions at every gate: for so had David the man of God commanded.

Moreover the porters, Akkub, Talmon, and their brothers, who kept watch at the gates, were one hundred seventy-two.

He cried like a lion: "Lord, I stand continually on the watchtower in the daytime, and every night I stay at my post.