John Gill Commentary 2 Chronicles 23:18

"And Jehoiada appointed the officers of the house of Jehovah under the hand of the priests the Levites, whom David had distributed in the house of Jehovah, to offer the burnt-offerings of Jehovah, as it is written in the law of Moses, with rejoicing and with singing, according to the order of David." — 2 Chronicles 23:18 (ASV)

(See Gill on 2 Chronicles 23:1).