Numbers 3:8
TSK
They shall keep all the furnishings of the Tent of Meeting, and the obligations of the children of Israel, to do the service of the tabernacle.
TSK
Treasury of Scripture Knowledge references in WEB.
They shall keep all the furnishings of the Tent of Meeting, and the obligations of the children of Israel, to do the service of the tabernacle.
Now these are the last words of David. David the son of Jesse says, the man who was raised on high says, the anointed of the God of Jacob, the sweet psalmist of Israel:
These were the sons of Levi after their fathers' houses, even the heads of the fathers' houses of those who were counted individually, in the number of names by their polls, who did the work for the service of the house of Yahweh, from twenty years old and upward.
This ends the prayers by David, the son of Jesse. BOOK III A Psalm by Asaph.