1. King David and the leaders of the Levites chose the following Levite clans to lead the services of worship: Asaph, Heman, and Jeduthun. They were to proclaim God's messages, accompanied by the music of harps and cymbals. This is the list of persons chosen to lead the worship, with the type of service that each group performed:
2. The four sons of Asaph: Zaccur, Joseph, Nethaniah, and Asharelah. They were under the direction of Asaph, who proclaimed God's messages whenever the king commanded.