21 And he consulted with his people, and he appointed singers unto the Lord, and those that should praise in the holy ornaments, as they went out before the armed array, and said, Give thanks unto the Lord; for unto everlasting endureth his kindness.

22 And at the time when they began with the song and the praise, the Lord set an ambush against the children of Ammon, Moab, and mount Seir, who were come against Judah, and they were smitten.