1 Chronicles 9:33

These, also were the singers, ancestral chiefs of the Levites, in the chambers, free, - for, by day and by night, was there a charge upon them, in the business.

1 Chronicles 6:31-33

And, these, are they whom David caused to stand, as the servants of song, in the house of Yahweh, when he had given rest unto the ark;

1 Chronicles 25:1-31

And David and the captains of the host set apart for service, unto the sons of Asaph and Heman and Jeduthun, such as should prophesy, with lyres, with harps, and with cymbals, - and, the number of the workers, for their service, was:

1 Chronicles 15:16-22

And David spake to the chiefs of the Levites, to station their brethren the singers, with instruments of song, harps and lyres, and cymbals, - sounding aloud at the lifting up of the voice, for joy.

1 Chronicles 16:4-6

And he placed before the ark of Yahweh certain of the Levites, as attendants, - and to celebrate, and to give thanks and render praise, unto Yahweh, God of Israel;

Ezra 7:24

And, you, we do certify, that, as touching any of the priests or the Levites, the singers, the doorkeepers, the Nethinim, or the servitors of this house of God, tribute, excise or toll, shall it not be competent to impose upon them.

Nehemiah 11:17

and Mattaniah son of Mica, son of Zabdi, son of Asaph, leader of the praise who giveth thanks, in prayer, and Bakbukiah the second among his brethren, - and Obadiah son of Shemaiah, son of Galal, son of Jeduthun.

Nehemiah 11:22-23

And, the overseer of the Levites in Jerusalem, was Uzzi son of Bani, son of Hashabiah, son of Mattaniah, son of Mica, - of the sons of Asaph the singers, to take lead in the business of the house of God.

Psalm 134:1-2

Lo! bless Yahweh, all ye servants of Yahweh, who stand in the house of Yahweh, by night:

Psalm 135:1-3

Praise ye Yah, Praise ye the Name of Yahweh, Praise, O ye servants of Yahweh;

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
And, these, are they whom David caused to stand, as the servants of song, in the house of Yahweh, when he had given rest unto the ark;
1 Chronicles 15:16
And David spake to the chiefs of the Levites, to station their brethren the singers, with instruments of song, harps and lyres, and cymbals, - sounding aloud at the lifting up of the voice, for joy.
1 Chronicles 16:4
And he placed before the ark of Yahweh certain of the Levites, as attendants, - and to celebrate, and to give thanks and render praise, unto Yahweh, God of Israel;
Ezra 7:24
And, you, we do certify, that, as touching any of the priests or the Levites, the singers, the doorkeepers, the Nethinim, or the servitors of this house of God, tribute, excise or toll, shall it not be competent to impose upon them.

Were free

Nehemiah 11:17
and Mattaniah son of Mica, son of Zabdi, son of Asaph, leader of the praise who giveth thanks, in prayer, and Bakbukiah the second among his brethren, - and Obadiah son of Shemaiah, son of Galal, son of Jeduthun.

Employed

Psalm 134:1
Lo! bless Yahweh, all ye servants of Yahweh, who stand in the house of Yahweh, by night: