23 For it was the king's commandment concerning them, that the singers should deal faithfully every day as according was.
Nehemiah 11:23 Cross References - MSTC
1 Chronicles 9:33
33 These are the singers — ancient heads among the Levites divided by chambers, for they had to do both day and night.
Ezra 6:8-9
8 I have commanded also, what shall be done to the Elders of Judah for the building of the house of God, that there shall diligently be taken of the king's goods, even of the rents beyond the water, and given unto the men, and that they be not hindered.
9 And if they have need of calves, lambs, or goats, for the burnt offering unto the God of heaven, wheat, salt, wine and oil, after the custom of the priests at Jerusalem, there shall be given them daily as is according: and see that this be done without fault,
Ezra 7:20-24
20 And whatsoever thing more shall be needful for the house of thy God, which is necessary for thee to spend, let the same be given out of the king's chamber.
21 I king Artaxerxes have commanded all the treasurers beyond the water, that look: whatsoever Ezra, the priest and scribe in the law of the God of heaven, requireth of you; that ye fulfill the same diligently,
22 until a hundred talents of silver, until a hundred quarters of wheat, and until a hundred baths of wine, and till a hundred baths of oil, and salt without measure.
23 Whatsoever belongeth to the law of the God of heaven, let the same be done with diligence for the house of the God of heaven, that there come no wrath upon the king's realm and his children.
24 And known be it unto you, that ye shall have no authority to require taxing and custom, yearly rents upon any of the priests, Levites, singers, porters, Nethinims, and ministers in the house of this God.
Nehemiah 12:47
47 In the time of Zerubbabel, and Nehemiah, did all Israel give portions unto the singers and porters, every day his portion, and they gave things hallowed unto the Levites, and the Levites gave things that were sanctified, unto the children of Aaron.