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.
Also we certify you, that touching any of the priests and Levites, the singers, porters, Nethinim, or servants of this house of God, it shall not be lawful to impose tribute, custom, or toll, upon them.
and Mattaniah the son of Mica, the son of Zabdi, the son of Asaph, who was the chief to begin the thanksgiving in prayer, and Bakbukiah, the second among his brethren; and Abda the son of Shammua, the son of Galal, the son of Jeduthun.
Go unto the house of the Rechabites, and speak unto them, and bring them into the house of the LORD, into one of the chambers, and give them wine to drink.