And Mattaniah the son of Micha, the son of Zabdi, the son of Asaph, was the principal 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.
The principal to begin the thanksgiving in prayer - i:e., the leader of the choir which chanted the public praise at the time of the morning and evening sacrifice. That service was always accompanied by some appropriate psalm, the sacred music being selected and guided by the person named.