Now these are the singers, the heads of ancestral houses of the Levites, living in the chambers of the temple free from other service, for they were on duty day and night.
King Hezekiah and the officials commanded the Levites to sing praises to the Lord with the words of David and of the seer Asaph. They sang praises with gladness, and they bowed down and worshiped.
and Mattaniah son of Mica son of Zabdi son of Asaph, who was the leader to begin the thanksgiving in prayer, and Bakbukiah, the second among his associates; and Abda son of Shammua son of Galal son of Jeduthun.