1 Chronicles 9:33

Now these are the singers, heads of the fathers’ households of the Levites, living in the temple chambers, free from other service because they were on duty day and night.

1 Chronicles 6:31-33

Now these are those whom David appointed over the service of song in the house of the Lord after the ark [of the covenant] rested there.

1 Chronicles 25:1-31

Moreover, David and the commanders of the army selected for the [temple] service some of the sons of Asaph, Heman, and Jeduthun, who were to prophesy with lyres, harps, and cymbals. The list of the musicians who performed their service was as follows:

1 Chronicles 15:16-22

Then David told the chiefs of the Levites to appoint their relatives as the singers, with instruments of music—harps, lyres, and cymbals—to play loudly and to raise sounds of joy [with their voices].

1 Chronicles 16:4-6

He appointed some of the Levites to minister before the ark of the Lord and to profess [God’s name] and to thank and praise the Lord, the God of Israel:

Ezra 7:24

We also inform you that it is not authorized to impose tax, tribute, or toll on any of the priests, Levites, singers, doorkeepers, temple servants or other servants of this house of God.

Nehemiah 11:17

Mattaniah the son of Mica, the son of Zabdi, the son of Asaph, who was the leader to begin the thanksgiving in prayer, and Bakbukiah, second among his brothers; and Abda the son of Shammua, the son of Galal, the son of Jeduthun.

Nehemiah 11:22-23

The overseer of the Levites in Jerusalem was Uzzi the son of Bani, the son of Hashabiah, the son of Mattaniah, the son of Mica, from Asaph’s sons, who were the singers in regard to the work of the house of God.

Psalm 134:1-2

Behold, bless and praise the Lord, all servants of the Lord (priests, Levites),
Who stand and serve by night in the house of the Lord.

Psalm 135:1-3

Praise the Lord! (Hallelujah!)
Praise the name of the Lord;
Praise Him, O servants of the Lord (priests, Levites),

Treasury of Scripture Knowledge

Summary

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

Were free

Employed

Bible References

The singers

1 Chronicles 6:31
Now these are those whom David appointed over the service of song in the house of the Lord after the ark [of the covenant] rested there.
1 Chronicles 15:16
Then David told the chiefs of the Levites to appoint their relatives as the singers, with instruments of music—harps, lyres, and cymbals—to play loudly and to raise sounds of joy [with their voices].
1 Chronicles 16:4
He appointed some of the Levites to minister before the ark of the Lord and to profess [God’s name] and to thank and praise the Lord, the God of Israel:
Ezra 7:24
We also inform you that it is not authorized to impose tax, tribute, or toll on any of the priests, Levites, singers, doorkeepers, temple servants or other servants of this house of God.

Were free

Nehemiah 11:17
Mattaniah the son of Mica, the son of Zabdi, the son of Asaph, who was the leader to begin the thanksgiving in prayer, and Bakbukiah, second among his brothers; and Abda the son of Shammua, the son of Galal, the son of Jeduthun.

Employed

Psalm 134:1
Behold, bless and praise the Lord, all servants of the Lord (priests, Levites),
Who stand and serve by night in the house of the Lord.