He appointed certain of the Levites to minister before the ark of Yahweh, and to celebrate and to thank and praise Yahweh, the God of Israel:
It is not altogether clear just exactly what some of these appointments included; but, of course, the persons receiving these appointments and instructions understood them and carried out their duties as instructed. It is very significant that David was diligent to set up all of these provisions for establishing on a permanent basis the worship of God in Jerusalem.