1 Chronicles 23:5

And four thousand were gatekeepers, and four thousand praised Jehovah with the instruments which David made for praising.

2 Chronicles 29:25-26

And he set the Levites in the house of Jehovah with cymbals, with harps, and with lyres, according to the command of David, and of Gad the king's seer and Nathan the prophet. For the commandment was by the hand of Jehovah by His prophets.

Amos 6:5

who chant with the mouth of the harp; they invent instruments of music for themselves, like David;

1 Kings 10:12

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

1 Chronicles 6:31-48

And these are the men whom David set over the service of song in the house of Jehovah, after the ark had rest.

1 Chronicles 9:17-27

And the gatekeepers were Shallum, and Akkub, and Talmon, and Ahiman; and their brothers, Shallum was the chief.

1 Chronicles 9:33

And these were the singers, chief of the fathers of the Levites in the chambers, they were free of duty, for they were employed in that work day and night.

1 Chronicles 15:16-24

And David spoke to the chief of the Levites to choose their brothers to be the singers with instruments of music, lyres, and harps, and cymbals, sounding by lifting the voice with joy.

1 Chronicles 16:38

also Obed-edom, with their brothers, sixty-eight; and Obed-edom, the son of Jeduthun and Hosah to be gatekeepers.

1 Chronicles 16:41-42

And he left with them Heman and Jeduthun, and the rest who were chosen, who were called by name, to give thanks to Jehovah, because His mercy endures forever.

1 Chronicles 25:1-7

And David and the army commanders separated to the service those of the sons of Asaph, and of Heman, and of Jeduthun, who were prophets with lyres and with cymbals. And the number of the workmen according to their service was:

1 Chronicles 26:1-12

For the divisions of the gatekeepers: Of the Korahites: Meshelemiah the son of Kore, of the sons of Asaph.

2 Chronicles 8:14

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.

2 Chronicles 20:19-21

And the Levites, of the sons of the Kohathites and of the sons of the Korahites, stood up to praise Jehovah, the God of Israel with a loud voice on high.

2 Chronicles 35:15

And 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 every gate. It was not for them to depart from their service; for their brothers the Levites prepared for them.

Ezra 7:7

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

Nehemiah 7:73

And the priests, and the Levites, and the gatekeepers, and the singers, and some of the people, and the temple slaves, and all Israel, lived in their cities. And when the seventh month came, the sons of Israel were in their cities.

Psalm 87:7

And the singers, the players of the pipe: 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
And the gatekeepers were Shallum, and Akkub, and Talmon, and Ahiman; and their brothers, Shallum was the chief.
1 Chronicles 15:23
And Berechiah and Elkanah were gatekeepers for the ark.
1 Chronicles 16:38
also Obed-edom, with their brothers, sixty-eight; and Obed-edom, the son of Jeduthun and Hosah to be gatekeepers.
1 Chronicles 26:1
For the divisions of the gatekeepers: Of the Korahites: Meshelemiah the son of Kore, of the sons of Asaph.
2 Chronicles 8:14
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.
2 Chronicles 35:15
And 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 every gate. It was not for them to depart from their service; for their brothers the Levites prepared for them.
Ezra 7:7
And there went up some of the sons of Israel, and of the priests, and the Levites, and the singers, and the gatekeepers, and the temple slaves, to Jerusalem in the seventh year of Artaxerxes the king.
Nehemiah 7:73
And the priests, and the Levites, and the gatekeepers, and the singers, and some of the people, and the temple slaves, and all Israel, lived in their cities. And when the seventh month came, the sons of Israel were in their cities.

Praised

1 Chronicles 6:31
And these are the men whom David set over the service of song in the house of Jehovah, after the ark had rest.
1 Chronicles 9:33
And these were the singers, chief of the fathers of the Levites in the chambers, they were free of duty, for they were employed in that work day and night.
1 Chronicles 15:16
And David spoke to the chief of the Levites to choose their brothers to be the singers with instruments of music, lyres, and harps, and cymbals, sounding by lifting the voice with joy.
1 Chronicles 16:41
And he left with them Heman and Jeduthun, and the rest who were chosen, who were called by name, to give thanks to Jehovah, because His mercy endures forever.
1 Chronicles 25:1
And David and the army commanders separated to the service those of the sons of Asaph, and of Heman, and of Jeduthun, who were prophets with lyres and with cymbals. And the number of the workmen according to their service was:
2 Chronicles 20:19
And the Levites, of the sons of the Kohathites and of the sons of the Korahites, stood up to praise Jehovah, the God of Israel with a loud voice on high.
Psalm 87:7
And the singers, the players of the pipe: all my springs are in You!

The instruments

1 Kings 10:12
And the king made of the almug trees a support for the house of Jehovah, and for the king's house, also lyres and harps for singers. No such almug wood has come or been seen to this day.
2 Chronicles 29:25
And he set the Levites in the house of Jehovah with cymbals, with harps, and with lyres, according to the command of David, and of Gad the king's seer and Nathan the prophet. For the commandment was by the hand of Jehovah by His prophets.
Amos 6:5
who chant with the mouth of the harp; they invent instruments of music for themselves, like David;