TSK · 2 Chronicles 31:2

And he appointed certain of the Levites to minister before the ark of Jehovah, and to celebrate and to thank and praise Jehovah, the God of Israel:

to offer burnt-offerings unto Jehovah upon the altar of burnt-offering continually morning and evening, even according to all that is written in the law of Jehovah, which he commanded unto Israel;

And David divided them into courses according to the sons of Levi: Gershon, Kohath, and Merari.

And the courses of the sons of Aaron [were these] . The sons of Aaron: Nadab and Abihu, Eleazar and Ithamar.

Moreover David and the captains of the host set apart for the service certain 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 them that did the work according to their service was:

This Shelomoth and his brethren were over all the treasures of the dedicated things, which David the king, and the heads of the fathers' [houses], the captains over thousands and hundreds, and the captains of the host, had dedicated.

And he appointed, according to the ordinance of David his father, the courses of the priests to their service, and the Levites to their offices, to praise, and to minister before the priests, as the duty of every day required; the doorkeepers also by their courses at every gate: for so had David the man of God commanded.

And when they had made an end, they brought the rest of the money before the king and Jehoiada, whereof were made vessels for the house of Jehovah, even vessels wherewith to minister and to offer, and spoons, and vessels of gold and silver. And they offered burnt-offerings in the house of Jehovah continually all the days of Jehoiada.

and them that were reckoned by genealogy of the priests by their fathers' houses, and the Levites from twenty years old and upward, in their offices by their courses;

And they set the priests in their divisions, and the Levites in their courses, for the service of God, which is at Jerusalem; as it is written in the book of Moses.

[A Song of Ascents]. Behold, bless ye Jehovah, all ye servants of Jehovah, That by night stand in the house of Jehovah.

There was in the days of Herod, king of Judaea, a certain priest named Zacharias, of the course of Abijah: and he had a wife of the daughters of Aaron, and her name was Elisabeth.