Moreover, Jehoiada put the oversight of the house of the LORD into the hands of the Levitical priests, whom David had appointed over the house of the LORD, to offer burnt offerings to the LORD as is written in the Law of Moses, with rejoicing and song, as ordained by David.

1 Chronicles 23:6
Then David divided the Levites into divisions according to the sons of Levi: Gershom, Kohath, and Merari.

1 Chronicles 23:25
For David had said, "The LORD, the God of Israel, has given rest to His people and has come to dwell in Jerusalem forever.

1 Chronicles 25:1
Additionally, David and the commanders of the army set apart some of the sons of Asaph, Heman, and Jeduthun to prophesy with the accompaniment of lyres, harps, and cymbals. The following is the list of the men who performed this service:

2 Chronicles 5:5
and they brought up the ark and the Tent of Meeting with all its sacred furnishings. The Levitical priests carried them up.

2 Chronicles 29:27
And Hezekiah ordered that the burnt offering be sacrificed on the altar. When the burnt offering began, the song of the LORD and the trumpets began as well, accompanied by the instruments of David king of Israel.

2 Chronicles 30:27
Then the priests and the Levites stood to bless the people, and God heard their voice, and their prayer came into His holy dwelling place in heaven.

Also Jehoiada appointed the offices of the house of the LORD by the hand of the priests the Levites, whom David had distributed in the house of the LORD, to offer the burnt offerings of the LORD, as it is written in the law of Moses, with rejoicing and with singing, as it was ordained by David.