1 Chronicles 23:5

4,000 gatekeepers, and 4,000 shall offer praises to the LORD with the instruments that I have made for praise."

2 Chronicles 29:25-26

And he stationed the Levites in the house of the LORD with cymbals, harps, and lyres, according to the commandment of David and of Gad the king's seer and of Nathan the prophet, for the commandment was from the LORD through his prophets.

Amos 6:5

who sing idle songs to the sound of the harp and like David invent for themselves instruments of music,

1 Kings 10:12

And the king made of the almug wood supports for the house of the LORD and for the king's house, also lyres and harps for the singers. No such almug wood has come or been seen to this day.

1 Chronicles 6:31-48

These are the men whom David put in charge of the service of song in the house of the LORDafter the ark rested there.

1 Chronicles 9:17-27

The gatekeepers were Shallum, Akkub, Talmon, Ahiman, and their kinsmen (Shallum was the chief);

1 Chronicles 9:33

Now these, the singers, the heads of fathers' houses of the Levites, were in the chambers of the temple free from other service, for they were on duty day and night.

1 Chronicles 15:16-24

David also commanded the chiefs of the Levites to appoint their brothers as the singers who should play loudly on musical instruments, on harps and lyres and cymbals, to raise sounds of joy.

1 Chronicles 16:38

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

1 Chronicles 16:41-42

With them were Heman and Jeduthun and the rest of those chosen and expressly named to give thanks to the LORD, for his steadfast love endures forever.

1 Chronicles 25:1-7

David and the chiefs of the service also set apart for the service the sons of Asaph, and of Heman, and of Jeduthun, who prophesied with lyres, with harps, and with cymbals. The list of those who did the work and of their duties was:

1 Chronicles 26:1-12

As for the divisions of the gatekeepers: of the Korahites, Meshelemiah the son of Kore, of the sons of Asaph.

2 Chronicles 8:14

According to the ruling of David his father, he appointed the divisions of the priests for their service, and the Levites for their offices of praise and ministry before the priests as the duty of each day required, and the gatekeepers in their divisions at each gate, for so David the man of God had commanded.

2 Chronicles 20:19-21

And the Levites, of the Kohathites and the Korahites, stood up to praise the LORD, the God of Israel, with a very loud voice.

2 Chronicles 35:15

The singers, the sons of Asaph, were in their place according to the command of David, and Asaph, and Heman, and Jeduthun the king's seer; and the gatekeepers were at each gate. They did not need to depart from their service, for their brothers the Levites prepared for them.

Ezra 7:7

And there went up also to Jerusalem, in the seventh year of Artaxerxes the king, some of the people of Israel, and some of the priests and Levites, the singers and gatekeepers, and the temple servants.

Nehemiah 7:73

So the priests, the Levites, the gatekeepers, the singers, some of the people, the temple servants, and all Israel, lived in their towns. And when the seventh month had come, the people of Israel were in their towns.

Psalm 87:7

Singers and dancers alike say, "All my springs are in you."

Treasury of Scripture Knowledge

Summary

Moreover four thousand were porters; and four thousand praised the LORD with the instruments which I made, said David, to praise therewith.

Bible References

Porters

1 Chronicles 9:17
The gatekeepers were Shallum, Akkub, Talmon, Ahiman, and their kinsmen (Shallum was the chief);
1 Chronicles 15:23
Berechiah and Elkanah were to be gatekeepers for the ark.
1 Chronicles 16:38
and also Obed-edom and his sixty-eight brothers, while Obed-edom, the son of Jeduthun, and Hosah were to be gatekeepers.
1 Chronicles 26:1
As for the divisions of the gatekeepers: of the Korahites, Meshelemiah the son of Kore, of the sons of Asaph.
2 Chronicles 8:14
According to the ruling of David his father, he appointed the divisions of the priests for their service, and the Levites for their offices of praise and ministry before the priests as the duty of each day required, and the gatekeepers in their divisions at each gate, for so David the man of God had commanded.
2 Chronicles 35:15
The singers, the sons of Asaph, were in their place according to the command of David, and Asaph, and Heman, and Jeduthun the king's seer; and the gatekeepers were at each gate. They did not need to depart from their service, for their brothers the Levites prepared for them.
Ezra 7:7
And there went up also to Jerusalem, in the seventh year of Artaxerxes the king, some of the people of Israel, and some of the priests and Levites, the singers and gatekeepers, and the temple servants.
Nehemiah 7:73
So the priests, the Levites, the gatekeepers, the singers, some of the people, the temple servants, and all Israel, lived in their towns. And when the seventh month had come, the people of Israel were in their towns.

Praised

1 Chronicles 6:31
These are the men whom David put in charge of the service of song in the house of the LORDafter the ark rested there.
1 Chronicles 9:33
Now these, the singers, the heads of fathers' houses of the Levites, were in the chambers of the temple free from other service, for they were on duty day and night.
1 Chronicles 15:16
David also commanded the chiefs of the Levites to appoint their brothers as the singers who should play loudly on musical instruments, on harps and lyres and cymbals, to raise sounds of joy.
1 Chronicles 16:41
With them were Heman and Jeduthun and the rest of those chosen and expressly named to give thanks to the LORD, for his steadfast love endures forever.
1 Chronicles 25:1
David and the chiefs of the service also set apart for the service the sons of Asaph, and of Heman, and of Jeduthun, who prophesied with lyres, with harps, and with cymbals. The list of those who did the work and of their duties was:
2 Chronicles 20:19
And the Levites, of the Kohathites and the Korahites, stood up to praise the LORD, the God of Israel, with a very loud voice.
Psalm 87:7
Singers and dancers alike say, "All my springs are in you."

The instruments

1 Kings 10:12
And the king made of the almug wood supports for the house of the LORD and for the king's house, also lyres and harps for the singers. No such almug wood has come or been seen to this day.
2 Chronicles 29:25
And he stationed the Levites in the house of the LORD with cymbals, harps, and lyres, according to the commandment of David and of Gad the king's seer and of Nathan the prophet, for the commandment was from the LORD through his prophets.
Amos 6:5
who sing idle songs to the sound of the harp and like David invent for themselves instruments of music,

The Holy Bible, English Standard Version® copyright © 2001 by Crossway Bibles, a publishing ministry of Good News Publishers.