חָצַר

Shebaniah, Joshaphat, Nethanel, Amasai, Zechariah, Benaiah, and Eliezer—the priests—were to blow the trumpets before the ark of God. Obed-edom and Jehiah were also to be guardians of the ark.

…all the Levitical singers—Asaph, Heman, Jeduthun, and their sons and relatives—stood on the east side of the altar, dressed in fine linen and playing cymbals, harps, and lyres, accompanied by 120 priests sounding trumpets.

The trumpeters and singers joined together to praise and thank the LORD with one voice. They lifted up their voices, accompanied by trumpets, cymbals, and musical instruments, in praise to the LORD: “For He is good; His loving devotion endures forever.” And the temple, the house of the LORD, was filled with a cloud

The priests stood at their posts, as did the Levites with the musical instruments of the LORD, which King David had made for giving thanks to the LORD and with which David had offered praise, saying, “For His loving devotion endures forever.” Across from the Levites, the priests sounded trumpets, and all the Israelites were standing.

When Judah turned and discovered that the battle was both before and behind them, they cried out to the LORD. Then the priests blew the trumpets,

The whole assembly was worshiping, the singers were singing, and the trumpeters were playing. All this continued until the burnt offering was completed.