2 Chronicles 20:18-21
New Living Translation
18 Then King Jehoshaphat bowed low with his face to the ground. And all the people of Judah and Jerusalem did the same, worshiping the Lord. 19 Then the Levites from the clans of Kohath and Korah stood to praise the Lord, the God of Israel, with a very loud shout.
20 Early the next morning the army of Judah went out into the wilderness of Tekoa. On the way Jehoshaphat stopped and said, “Listen to me, all you people of Judah and Jerusalem! Believe in the Lord your God, and you will be able to stand firm. Believe in his prophets, and you will succeed.”
21 After consulting the people, the king appointed singers to walk ahead of the army, singing to the Lord and praising him for his holy splendor. This is what they sang:
“Give thanks to the Lord;
his faithful love endures forever!”