Now these are the singers, the heads of fathers' houses of the Levites, dwelling in the chambers of the temple free from other service, for they were on duty day and night.
And all Israel in the days of Zerubbabel and in the days of Nehemiah gave the daily portions for the singers and the gatekeepers; and they set apart that which was for the Levites; and the Levites set apart that which was for the sons of Aaron.