1 Chronicles 25:1-2

1David and the army commanders then appointed men from the families of Asaph, Heman, and Jeduthun to proclaim God’s messages to the accompaniment of lyres, harps, and cymbals. Here is a list of their names and their work:

2From the sons of Asaph, there were Zaccur, Joseph, Nethaniah, and Asarelah. They worked under the direction of their father, Asaph, who proclaimed God’s messages by the king’s orders.