[45] And both the singers and the porters kept the ward of their God, and the ward of the purification, according to the commandment of David, and of Solomon his son. [46] For in the days of David and Asaph of old there were chief of the singers, and songs of praise and thanksgiving unto God. [47] And all Israel in the days of Zerubbabel, and in the days of Nehemiah, gave the portions of the singers and the porters, every day his portion: and they sanctified holy things unto the Levites; sanctified them unto the children of Aaron.