2 Chronicles 8:14

And he gave the divisions of the priests their places for their work, as ordered by his father David, and to the Levites he gave their work of praise and waiting on the priests, to do what was needed day by day; and he gave the door-keepers their places in turn at every door; for so David, the man of God, had given orders.

1 Chronicles 9:17

And the door-keepers: Shallum and Akkub and Talmon and Ahiman and their brothers: Shallum was the chief.

Nehemiah 12:24

And the chiefs of the Levites: Hashabiah, Sherebiah, and Jeshua, the son of Kadmiel, with their brothers opposite them, to give blessing and praise as ordered by David, the man of God, watch against watch.

Nehemiah 12:36

And his brothers, Shemaiah, and Azarel, Milalai, Gilalai, Maai, Nethanel and Judah, Hanani, with the music-instruments of David, the man of God; and Ezra the scribe was at their head;

Deuteronomy 33:1

Now this is the blessing which Moses, the man of God, gave to the children of Israel before his death.

2 Samuel 23:2

The spirit of the Lord had voice through me, his word was on my tongue.

1 Kings 13:1

Then a man of God came from Judah by the order of the Lord to Beth-el, where Jeroboam was by the altar, burning offerings.

1 Chronicles 6:31-48

And these are those whom David made responsible for the music in the house of the Lord, after the ark had rest.

1 Chronicles 15:16-22

And David gave orders to the chief of the Levites to put their brothers the music-makers in position, with instruments of music, corded instruments and brass, with glad voices making sounds of joy.

1 Chronicles 16:4-6

And he put some of the Levites before the ark of the Lord as servants, to keep the acts of the Lord in memory, and to give worship and praise to the Lord, the God of Israel:

1 Chronicles 16:42

And Heman and Jeduthun had horns and brass instruments sounding loudly, and instruments of music for the songs of God; and the sons of Jeduthun were to be at the door.

1 Chronicles 23:1-19

Now David was old and full of days; and he made his son Solomon king over Israel.

1 Chronicles 28:19

All this, said David, the design for all these things, has been made dear to me in writing by the hand of the Lord.

2 Chronicles 5:11

Now when the priests had come out of the holy place, (for all the priests who were present had made themselves holy, not keeping to their divisions;

2 Chronicles 23:4

This is what you are to do: let a third of you, of the priests and Levites, who come in on the Sabbath, keep the doors

2 Chronicles 31:2

Then Hezekiah put in order the divisions of the priests and Levites, every man in his division, in relation to his work, for the burned offerings and peace-offerings, and for the ordering of worship and for giving praise at the doors of the Lord's house.

2 Chronicles 35:10

So everything was made ready and the priests took their places with the Levites in their divisions, as the king had said.

Ezra 6:18

And they put the priests in their divisions and the Levites in their order, for the worship of God at Jerusalem; as it is recorded in the book of Moses.

Luke 1:5

In the days of Herod, king of Judaea, there was a certain priest, by name Zacharias, of the order of Abijah; and he had a wife of the family of Aaron, and her name was Elisabeth.

Luke 1:8

Now it came about that in his turn he was acting as priest before God,

Acts 13:22

And having put him on one side, he made David their king, to whom he gave witness, saying, I have taken David, the son of Jesse, a man dear to my heart, who will do all my pleasure.

Acts 13:36

Now David, having done God's work for his generation, went to sleep, and was put with his fathers, and his body came to destruction:

Treasury of Scripture Knowledge

Summary

And he appointed, according to the order of David his father, the courses 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: the porters also by their courses at every gate: for so had David the man of God commanded.

Bible References

The courses

2 Chronicles 5:11
Now when the priests had come out of the holy place, (for all the priests who were present had made themselves holy, not keeping to their divisions;
2 Chronicles 23:4
This is what you are to do: let a third of you, of the priests and Levites, who come in on the Sabbath, keep the doors
2 Chronicles 31:2
Then Hezekiah put in order the divisions of the priests and Levites, every man in his division, in relation to his work, for the burned offerings and peace-offerings, and for the ordering of worship and for giving praise at the doors of the Lord's house.
1 Chronicles 24:1
Now the divisions into which the sons of Aaron were grouped were these: the sons of Aaron, Nadab and Abihu, Eleazar and Ithamar.
Luke 1:5
In the days of Herod, king of Judaea, there was a certain priest, by name Zacharias, of the order of Abijah; and he had a wife of the family of Aaron, and her name was Elisabeth.

The levites

2 Chronicles 35:10
So everything was made ready and the priests took their places with the Levites in their divisions, as the king had said.
1 Chronicles 6:31
And these are those whom David made responsible for the music in the house of the Lord, after the ark had rest.
1 Chronicles 15:16
And David gave orders to the chief of the Levites to put their brothers the music-makers in position, with instruments of music, corded instruments and brass, with glad voices making sounds of joy.
1 Chronicles 16:4
And he put some of the Levites before the ark of the Lord as servants, to keep the acts of the Lord in memory, and to give worship and praise to the Lord, the God of Israel:
1 Chronicles 24:20
And of the rest of the sons of Levi: of the sons of Amram, Shubael; of the sons of Shubael, Jehdeiah.
Ezra 6:18
And they put the priests in their divisions and the Levites in their order, for the worship of God at Jerusalem; as it is recorded in the book of Moses.

The porters

1 Chronicles 9:17
And the door-keepers: Shallum and Akkub and Talmon and Ahiman and their brothers: Shallum was the chief.
1 Chronicles 26:1
For the divisions of the door-keepers: of the Korahites, Meshelemiah, the son of Kore, of the sons of Ebiasaph.

So had david the man of god commanded

Deuteronomy 33:1
Now this is the blessing which Moses, the man of God, gave to the children of Israel before his death.
2 Samuel 23:2
The spirit of the Lord had voice through me, his word was on my tongue.
1 Kings 13:1
Then a man of God came from Judah by the order of the Lord to Beth-el, where Jeroboam was by the altar, burning offerings.
1 Chronicles 28:19
All this, said David, the design for all these things, has been made dear to me in writing by the hand of the Lord.
Acts 13:22
And having put him on one side, he made David their king, to whom he gave witness, saying, I have taken David, the son of Jesse, a man dear to my heart, who will do all my pleasure.

Basic English, produced by Mr C. K. Ogden of the Orthological Institute - public domain