1. David and the temple officials chose the descendants of Asaph, Heman, and Jeduthun to be in charge of music. They were to praise the Lord by playing cymbals, harps and other stringed instruments. Here is a list of the musicians and their duties:
2. Asaph's four sons, Zaccur, Joseph, Nethaniah, and Asarelah, were under the direction of their father and played music whenever the king told them to.