Moreover David and the captains of the host separated to the service of the sons of Asaph, and of Heman, and of Jeduthun, who should prophesy with harps, with psalteries, and with cymbals: and the number of the workmen according to their service was:

Because their office {was} to wait on the sons of Aaron for the service of the house of the LORD, in the courts, and in the chambers, and in the purifying of all holy things, and the work of the service of the house of God; {their...: Heb. their station was at the hand of the sons of Aaron}

But let none come into the house of the LORD, save the priests, and they that minister of the Levites; they shall go in, for they {are} holy: but all the people shall keep the watch of the LORD.

And they ministered before the dwelling place of the tabernacle of the congregation with singing, until Solomon had built the house of the LORD in Jerusalem: and {then} they waited on their office according to their order.

So they and their children {had} the oversight of the gates of the house of the LORD, {namely}, the house of the tabernacle, by wards.

Then I commanded, and they cleansed the chambers: and thither brought I again the vessels of the house of God, with the meat offering and the frankincense.