18 Jehoiada appointed the officers of the house of Yahweh under the hand of the priests the Levites, whom David had distributed in the house of Yahweh, to offer the burnt offerings of Yahweh, as it is written in the law of Moses, with rejoicing and with singing, according to the order of David.
*Minor differences ignored. Grouped by changes, with first version listed as example.
The priests the Levites - Rather, with the versions, "the priests and the Levites." It was the duty of the priests alone to offer the burnt offerings Numbers 18:1-7, and of the Levites alone to praise God with singing and music 1-Chronicles 23:5; 1-Chronicles 25:1-7.
Appointed - Or, as it is in the Hebrew, put the offices of the house of the Lord into the hand, that is, he restored the priests and Levites to the exercise of their office.
*More commentary available at chapter level.