And these are the singers, heads of fathers' houses of the Levites, who dwelt in the chambers and were free from other service: for they were employed in their work day and night.
And all Israel in the days of Zerubbabel, and in the days of Nehemiah, gave the portions of the singers and the porters, as every day required: and they sanctified for the Levites; and the Levites sanctified for the sons of Aaron.