All these were under the direction of their fathers for the music of the house of the LORD with cymbals, harps, and lyres, for the service of the house of God. Asaph, Jeduthun, and Heman were under the direction of the king.
KJV
All these [were] under the hands of their father for song [in] the house of the LORD, with cymbals, psalteries, and harps, for the service of the house of God, according to the king’s order to Asaph, Jeduthun, and Heman.
ASV
All these were under the hands of their father for song in the house of Jehovah, with cymbals, psalteries, and harps, for the service of the house of God; Asaph, Jeduthun, and Heman being under the order of the king.