1 Chronicles 25:1-2

LITV(i) 1 And David and the commanders of the army separated some to the service of the sons of Asaph and Heman and Jeduthun, who were prophets with harps, with lyres and with cymbals. And their number, of the workmen according to their service, was: 2 of the sons of Asaph: Zaccur, and Joseph, and Nethaniah, and Asarelah, the sons of Asaph at the hands of Asaph, who prophesied at the hands of the king.