Ezra
1 Chronicles 16:38ESV·traditional attribution

and also Obed-edom and his sixty-eight brothers, while Obed-edom, the son of Jeduthun, and Hosah were to be gatekeepers.

Matthew Henry Presbyterian @wholebiblehenry

The worship of God is not only to be the work of a solemn day now and then, brought in to grace a triumph; but it ought to be the work of every day. David therefore settles it here for a constancy, puts it into a method, which he obliged those that officiated to observe in their respective posts.

Commenting on 1 Chronicles 16:37-43

John Gill Reformed Baptist @doctorgill

To offer burnt offerings unto the Lord,.... Which was the work of the priests only to do: upon the altar of burnt offering continually morning and evening; the lambs of the daily sacrifice, which were a burnt offering, and only to be offered on the brasen altar at the tabernacle: and to do according to all that is written in the law of the Lord...

Jamieson-Fausset-Brown Reformed @jfbcommentary

HIS PSALM OF THANKSGIVING. (1Ch. 16:7-43) Then on that day David delivered first this psalm--Among the other preparations for this solemn inauguration, the royal bard had composed a special hymn for the occasion. Doubtless it had been previously in the hands of Asaph and his assistants, but it was now publicly committed to them as they entered for the first time on the performance of their sacred duties.

Commenting on 1 Chronicles 16:7-43