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.
NASB: All these were under the direction of their father to sing in 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: Then David the king stood up upon his feet, and said, Hear me, my brethren, and my people: As for me, I had in mine heart to build an house of rest for the ark of the covenant of the LORD, and for the footstool of our God, and had made ready for the building:
NASB: Then King David rose to his feet and said, "Listen to me, my brethren and my people; I had intended to build a permanent home for the ark of the covenant of the LORD and for the footstool of our God. So I had made preparations to build it.