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 6:31-33
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 25:1-31
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 15:16-22
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 16:4-6
Then he appointed some of the Levites as ministers before the ark of the LORD, to invoke, to thank, and to praise the LORD, the God of Israel.
Ezra 7:24
We also notify you that it shall not be lawful to impose tribute, custom, or toll on anyone of the priests, the Levites, the singers, the doorkeepers, the temple servants, or other servants of this house of God.
Nehemiah 11:17
and Mattaniah the son of Mica, son of Zabdi, son of Asaph, who was the leader of the praise, who gave thanks, and Bakbukiah, the second among his brothers; and Abda the son of Shammua, son of Galal, son of Jeduthun.
Nehemiah 11:22-23
The overseer of the Levites in Jerusalem was Uzzi the son of Bani, son of Hashabiah, son of Mattaniah, son of Mica, of the sons of Asaph, the singers, over the work of the house of God.
Psalm 134:1-2
Come, bless the LORD, all you servants of the LORD, who stand by night in the house of the LORD!
Psalm 135:1-3
Praise the LORD! Praise the name of the LORD, give praise, O servants of the LORD,