Nehemiah 12:45-47

45Both the singers and the gatekeepers kept the charge of their God and the charge of the purification, according to the command of David and Solomon his son.

46For in the days of David and Asaph of old there were chiefs of the singers, and songs of praise and thanksgiving to God.

47In the days of Zerubbabel and in the days of Nehemiah all Israel gave the portions for the singers and the gatekeepers, a portion for each day. They also consecrated holy things for the Levites, and the Levites consecrated them for the children of Aaron.