Nehemiah 12:44-46

44On that day men were appointed over the chambers for the stores, the contributions, the first fruits, and the tithes, to gather into them from the fields of the cities the portions required by the law for the priests and the Levites; for Judah rejoiced over the priests and Levites who served.

45And they performed the worship of their God and the service of purification; so did the singers and gatekeepers, as David and his son Solomon had commanded.

46For in the days of David and Asaph, in ancient times, there were leaders of singers, songs of praise and hymns of thanksgiving to God.