1 Chronicles 23:5

Moreover four thousand were gatekeepers; and four thousand praised the LORD with the instruments which I made, said David, for praise.

2 Chronicles 29:25-26

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

Amos 6:5

That chant to the sound of the harp, and invent for yourselves instruments of music, like David;

1 Kings 10:12

And the king made of the almug wood pillars for the house of the LORD, and for the king's house, harps also and psalteries for singers: there came no such almug wood, nor was seen such unto this day.

1 Chronicles 6:31-48

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

1 Chronicles 9:17-27

And the gatekeepers were, Shallum, and Akkub, and Talmon, and Ahiman, and their brethren: Shallum was the chief;

1 Chronicles 9:33

And these are the singers, heads of the fathers of the Levites, who remaining in the chambers were free from other service: for they were employed in that work day and night.

1 Chronicles 15:16-24

And David spoke to the chiefs of the Levites to appoint their brethren to be the singers with instruments of music, lyres and harps and cymbals sounding, by lifting up the voice with joy.

1 Chronicles 16:38

And Obed-edom with his brethren, threescore and eight; Obed-edom also the son of Jeduthun and Hosah to be gatekeepers:

1 Chronicles 16:41-42

And with them Heman and Jeduthun, and the rest that were chosen, who were designated by name, to give thanks to the LORD, because his mercy endures forever;

1 Chronicles 25:1-7

Moreover David and the captains of the army separated for the service some of the sons of Asaph, and of Heman, and of Jeduthun, who should prophesy with harps, with lyres, and with cymbals: and the number of the workmen according to their service was:

1 Chronicles 26:1-12

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

2 Chronicles 8:14

And he appointed, according to the order of David his father, the divisions of the priests to their service, and the Levites to their charges, to praise and serve before the priests, as the duty of every day required: the gatekeepers also by their divisions at every gate: for so had David the man of God commanded.

2 Chronicles 20:19-21

And the Levites, of the children of the Kohathites, and of the children of the Korahites, stood up to praise the LORD 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 commandment of David, and Asaph, and Heman, and Jeduthun the king's seer; and the gatekeepers waited at every gate; they did not need to depart from their service; for their brethren the Levites prepared for them.

Ezra 7:7

And there went up some of the children of Israel, and of the priests, and the Levites, and the singers, and the gatekeepers, and the Nethinim, unto Jerusalem, in the seventh year of Artaxerxes the king.

Nehemiah 7:73

So the priests, and the Levites, and the gatekeepers, and the singers, and some of the people, and the Nethinim, and all Israel, dwelt in their cities; and when the seventh month came, the children of Israel were in their cities.

Psalm 87:7

As well the singers as the players on instruments shall be there: 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 brethren: Shallum was the chief;
1 Chronicles 15:23
And Berechiah and Elkanah were doorkeepers for the ark.
1 Chronicles 16:38
And Obed-edom with his brethren, threescore and eight; Obed-edom also the son of Jeduthun and Hosah to be gatekeepers:
1 Chronicles 26:1
Concerning the divisions of the gatekeepers: Of the Korahites was Meshelemiah the son of Kore, of the sons of Asaph.
2 Chronicles 8:14
And he appointed, according to the order of David his father, the divisions of the priests to their service, and the Levites to their charges, to praise and serve before the priests, as the duty of every day required: the gatekeepers also by their divisions at every gate: for so had David the man of God commanded.
2 Chronicles 35:15
And the singers the sons of Asaph were in their place, according to the commandment of David, and Asaph, and Heman, and Jeduthun the king's seer; and the gatekeepers waited at every gate; they did not need to depart from their service; for their brethren the Levites prepared for them.
Ezra 7:7
And there went up some of the children of Israel, and of the priests, and the Levites, and the singers, and the gatekeepers, and the Nethinim, unto Jerusalem, in the seventh year of Artaxerxes the king.
Nehemiah 7:73
So the priests, and the Levites, and the gatekeepers, and the singers, and some of the people, and the Nethinim, and all Israel, dwelt in their cities; and when the seventh month came, the children of Israel were in their cities.

Praised

1 Chronicles 6:31
And these are they whom David set over the service of song in the house of the LORD, after the ark had rest.
1 Chronicles 9:33
And these are the singers, heads of the fathers of the Levites, who remaining in the chambers were free from other service: for they were employed in that work day and night.
1 Chronicles 15:16
And David spoke to the chiefs of the Levites to appoint their brethren to be the singers with instruments of music, lyres and harps and cymbals sounding, by lifting up the voice with joy.
1 Chronicles 16:41
And with them Heman and Jeduthun, and the rest that were chosen, who were designated by name, to give thanks to the LORD, because his mercy endures forever;
1 Chronicles 25:1
Moreover David and the captains of the army separated for the service some of the sons of Asaph, and of Heman, and of Jeduthun, who should prophesy with harps, 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 children of the Kohathites, and of the children of the Korahites, stood up to praise the LORD God of Israel with a loud voice on high.
Psalm 87:7
As well the singers as the players on instruments shall be there: all my springs are in you.

The instruments

1 Kings 10:12
And the king made of the almug wood pillars for the house of the LORD, and for the king's house, harps also and psalteries for singers: there came no such almug wood, nor was seen such unto this day.
2 Chronicles 29:25
And he set the Levites in the house of the LORD with cymbals, with lyres, and with harps, according to the commandment of David, and of Gad the king's seer, and Nathan the prophet: for so was the commandment of the LORD by his prophets.
Amos 6:5
That chant to the sound of the harp, and invent for yourselves instruments of music, like David;