and prepare by the houses of your fathers, according to your divisions, according to the writing of David king of Israel, and according to the writing of Solomon his son. Verse ConceptsWriting

And Solomon offered burnt offerings to Jehovah on the altar of Jehovah which he had built before the porch, even as the duty of every day required, offering according to the commandment of Moses, on the sabbaths and on the new moons, and on the solemn feasts, three times in the year, even in the Feast of Unleavened Bread, and in the Feast of Weeks, and in the Feast of Tabernacles. And according to the order of David his father, he appointed the divisions of the priests to their service, and the Levites to their charges, to praise and minister before the priests, as the duty of every day required; and the gatekeepers by their divisions at every gate; for so David the man of God had commanded. read more.
And they did not depart from the command of the king to the priests and Levites concerning any matter, or concerning the treasures. And all the work of Solomon was prepared until the day of the foundation of the house of Jehovah, and until it was finished. And the house of Jehovah was complete.

And both the singers and the gatekeepers kept the charge of their God, and the charge of the cleansing, according to the command of David and of Solomon his son.