2 Chronicles 20:20-22

Amplified Bible, Classic Edition

²⁰ And they rose early in the morning and went out into the Wilderness of Tekoa; and as they went out, Jehoshaphat stood and said, Hear me, O Judah, and you inhabitants of Jerusalem! Believe in the Lord your God and you shall be established; believe and remain steadfast to His prophets and you shall prosper.

²¹ When he had consulted with the people, he appointed singers to sing to the Lord and praise Him in their holy [priestly] garments as they went out before the army, saying, Give thanks to the Lord, for His mercy and loving-kindness endure forever!

²² And when they began to sing and to praise, the Lord set ambushments against the men of Ammon, Moab, and Mount Seir who had come against Judah, and they were [self-] slaughtered;