The family lines of those who held this office are as follows: The clan of Kohath: Heman, the leader of the first choir, was the son of Joel. His family line went back to Jacob as follows: Heman, Joel, Samuel,

(SEE 15:17)

King David and the leaders of the Levites chose the following Levite clans to lead the worship services: 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:

The six sons of Jeduthun: Gedaliah, Zeri, Jeshaiah, Shimei, Hashabiah, and Mattithiah. Under the direction of their father they proclaimed God's message, accompanied by the music of harps, and sang praise and thanks to the LORD.

All of his sons played cymbals and harps under their father's direction, to accompany the Temple worship. And Asaph, Jeduthun, and Heman were under orders from the king.