And the heads of the Levites [were] Hashabiah, Sherebiah, and Jeshua; and the sons of Kadmiel, and their brothers over against them, were to sing hymns of praise, according to the commandment of David the man of God, course by course.

and four thousand gatekeepers, and four thousand to praise the Lord with instruments which he made to praise the Lord.

And he established, according to the order of his father David, the courses of the priests, and [that] according to their public ministrations. And the Levites [were appointed] over their charges, to praise and minister before the priests according to the daily order. And the porters were appointed according to their courses to the different gates; for thus [were] the commandments of David the man of God.

who excel in the sound of musical instruments; they have regarded them as abiding, not as fleeting [pleasures];

Now after these things, in the reign of Artaxerxes king of the Persians, came up Ezra, the son of Seraiah, the son of Azariah, the son of Hilkiah,

And these [are] the heads of their families, the leaders that went up with me in the reign of Artaxerxes the king of Babylon: