Treasury of Scripture Knowledge
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.
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 rested there.
1 Chronicles 15:16
Then David spoke to the chiefs of the Levites
to appoint their relatives the singers, with instruments of music, harps, lyres, loud-sounding cymbals, to raise sounds of joy.
1 Chronicles 16:4
He appointed some of the Levites as ministers before the ark of the Lord, even to celebrate and to thank and praise the Lord God of Israel:
We also inform you that
it is not allowed to impose tax, tribute or toll on any of the priests, Levites, singers, doorkeepers, Nethinim or servants of this house of God.
and Mattaniah the son of Mica, the son of
Zabdi, the son of Asaph, who was the leader in beginning the thanksgiving at prayer, and Bakbukiah, the second among his brethren; and Abda the son of Shammua, the son of Galal, the son of Jeduthun.
A Song of Ascents.
bless the Lord, all servants of the Lord,
serve by night in the house of the Lord!