1 Chronicles 25:1-2

1 David and the chiefs of the service also set apart for the service certain of the sons of Asaph, and of Heman, and of Jedu'thun, who should prophesy with lyres, with harps, and with cymbals. The list of those who did the work and of their duties was:

2 Of the sons of Asaph: Zaccur, Joseph, Nethani'ah, and Ashare'lah, sons of Asaph, under the direction of Asaph, who prophesied under the direction of the king.