1 Chronicles 23:2-6

2 And he gathered together all the leaders of Israel with the priests and the Levites.

The Work of the Levites

3 ^aAnd the Levites were numbered from thirty years old and upward, and ^btheir number by ¹census of men was 38,000. 4 Of these, 24,000 were ^ato direct the work of the house of Yahweh; and 6,000 were ^bofficers and judges, 5 and 4,000 were gatekeepers, and ^a4,000 were praising Yahweh with the instruments which ¹David made for giving praise. 6 And David divided them into divisions ^aaccording to the sons of Levi: Gershon, Kohath, and Merari.