2 Chronicles 29:20-30

20Then King Hezekiah got up early and assembled the princes of the city, and went up to the house of the Lord. 21They brought seven bulls, seven rams, seven lambs, and seven male goats 1as a sin offering for the kingdom, the sanctuary, and Judah. And he ordered the priests, the sons of Aaron, to offer them on the altar of the Lord. 22So they slaughtered the bulls, and the priests took the blood and sprinkled it on the altar. They also slaughtered the rams and sprinkled the blood on the altar; they slaughtered the lambs as well, and 2sprinkled the blood on the altar. 23Then they brought the male goats of the sin offering before the king and the assembly, and 3they laid their hands on them. 24The priests slaughtered them and purified the altar with their blood 4to atone for all Israel, because the king ordered the burnt offering and the sin offering for all Israel.

255He then stationed the Levites in the house of the Lord with cymbals, harps, and lyres, 6according to the command of David and of 7Gad, the king’s seer, and of 8Nathan the prophet; for the command was from the Lord through His prophets. 26The Levites stood with 9the musical instruments of David, and 10the priests with the trumpets. 27Then Hezekiah gave the order to offer the burnt offering on the altar. When the burnt offering began, 11the song to the Lord also began with the trumpets, 12accompanied by the instruments of David, king of Israel. 28While the whole assembly worshiped, the singers also sang and the trumpets sounded; all this continued until the burnt offering was finished.

29Now at the completion of the burnt offerings, 13the king and all who were present with him bowed down and worshiped. 30Moreover, King Hezekiah and the officials ordered the Levites to sing praises to the Lord with the words of David and Asaph the seer. 14So they sang praises with joy, and bowed down and worshiped.