And Hezekiah set the priests and the Levites in their order to wait by course, every man according to his office whether priest or Levite, for the burnt offerings and peace offerings, and to minister and to thank and to pray in the gates of the lodge of the LORD.

The division of the sons of Aaron: Nadab, Abihu, Eleazar and Ithamar.

And he appointed certain of the Levites to minister before the LORD, and to repeat, and to thank and praise the LORD God of Israel:

And he left there before the ark of the LORD's covenant, Asaph and his brethren, to minister before the Ark evermore day by day.

to offer burnt offerings unto the LORD upon the burnt offering altar perpetually at morning and evening, according to all that is written in the law of the LORD which he commanded Israel.

And when David was old and stricken in years, he made Solomon his son king over Israel.

"To wait at the hands of the sons of Aaron in the service of the house of the LORD, and to have the oversight of the courts and of the store houses, and of the purifying of all holy things, and of the work of the things that served for the house of God,

And David and the captains of the host appointed out to do service, the sons of Asaph of Heman and Jeduthun, which did prophesy with harps, psalteries and cymbals. And they were numbered unto the work according to their office.

And when the priests were come out of the holy place - for all the priests that were found sanctified themselves and did not wait by course -

And Solomon put the sorts of priests in companies as David his father had ordered them, unto the offices, and the Levites unto their wait, for to praise and minister before the priests day by day, and the porters by course at every gate. For so had David the man of God commanded.

And the Levites and all Judah did in all things as Jehoiada the priest commanded, and took every man his men: both them that came in and them that went out the Sabbath day: for Jehoiada the priest did let none of the companies depart.

And the priests slew them and offered the blood of them upon the altar, to make satisfaction for all Israel, for the king said that the burnt offering and the sin offering should serve for all Israel.

and set the priests in their courses, and the Levites in their offices to minister unto God which is at Jerusalem as it is written in the book of Moses.

And Mattaniah the son of Mica, the son of Zabdi, the son of Asaph, which was the principal to begin the thanksgiving unto prayer. And Bakbukiah the second among his brethren, and Abda the son of Shammua, the son of Galal, the son of Jeduthun.

{A song of the stairs} Behold now, praise the LORD, all ye servants of the LORD, ye that by night stand in the house of the LORD.

Shall the voice of gladness be heard again; the voice of the Bridegroom and of the bride; the voice of them that shall sing, 'Praise the LORD of Hosts, for he is loving and his mercy endureth forever,' and the voice of them that shall offer up gifts in the house of the LORD. For I will restore the captivity of this land, as it was afore, sayeth the LORD.

In the time of Herod, the king of Jewry, there was a certain priest named Zacharias, of the course of Abijah. And his wife was of the daughters of Aaron: And her name was Elizabeth.

Treasury of Scripture Knowledge

Summary

And Hezekiah appointed the courses of the priests and the Levites after their courses, every man according to his service, the priests and Levites for burnt offerings and for peace offerings, to minister, and to give thanks, and to praise in the gates of the tents of the LORD.

Bible References

The courses

And when the priests were come out of the holy place - for all the priests that were found sanctified themselves and did not wait by course -
And Solomon put the sorts of priests in companies as David his father had ordered them, unto the offices, and the Levites unto their wait, for to praise and minister before the priests day by day, and the porters by course at every gate. For so had David the man of God commanded.
And the Levites and all Judah did in all things as Jehoiada the priest commanded, and took every man his men: both them that came in and them that went out the Sabbath day: for Jehoiada the priest did let none of the companies depart.
And he left there before the ark of the LORD's covenant, Asaph and his brethren, to minister before the Ark evermore day by day.
and set the priests in their courses, and the Levites in their offices to minister unto God which is at Jerusalem as it is written in the book of Moses.
In the time of Herod, the king of Jewry, there was a certain priest named Zacharias, of the course of Abijah. And his wife was of the daughters of Aaron: And her name was Elizabeth.

To give thanks

And the priests slew them and offered the blood of them upon the altar, to make satisfaction for all Israel, for the king said that the burnt offering and the sin offering should serve for all Israel.
And he appointed certain of the Levites to minister before the LORD, and to repeat, and to thank and praise the LORD God of Israel:
and to wait every morning to thank and praise the LORD, and likewise at evening.
And David and the captains of the host appointed out to do service, the sons of Asaph of Heman and Jeduthun, which did prophesy with harps, psalteries and cymbals. And they were numbered unto the work according to their office.
And Mattaniah the son of Mica, the son of Zabdi, the son of Asaph, which was the principal to begin the thanksgiving unto prayer. And Bakbukiah the second among his brethren, and Abda the son of Shammua, the son of Galal, the son of Jeduthun.
{Praise the Everlasting} O praise the name of the LORD! Praise it, O ye servants of the LORD;
Shall the voice of gladness be heard again; the voice of the Bridegroom and of the bride; the voice of them that shall sing, 'Praise the LORD of Hosts, for he is loving and his mercy endureth forever,' and the voice of them that shall offer up gifts in the house of the LORD. For I will restore the captivity of this land, as it was afore, sayeth the LORD.
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