Nehemiah 11:23
For there was a commandment of the king concerning them and a determination of the singers for each day.
Ezra 6:8-9
And by me is given the commandment regarding what ye shall do with the elders of these Jews, to build this house of God: that of the king's goods, of the tribute from the other side of the river, the expenses be given unto these men, that they not cease.
1 Chronicles 9:33
And of these there were singers, princes of the fathers of the Levites, who remained in the chambers free from other work; for they were employed in that work day and night.
Ezra 7:20-24
And whatever else shall be needful for the house of thy God, which thou shalt have need to bestow, bestow it out of the king's treasure house.
Nehemiah 12:47
And all Israel in the days of Zerubbabel and in the days of Nehemiah, gave the portions of the singers and the porters, each thing in its day; and they sanctified them unto the Levites; and the Levites sanctified them unto the sons of Aaron.