21 When he had taken counsel with the people, he appointed those who should sing to the Lord, and give praise in holy array, as they went out before the army, and say, Give thanks to the Lord; for his loving kindness endures forever.
22 When they began to sing and to praise, the Lord set ambushers against the children of Ammon, Moab, and Mount Seir, who had come against Judah; and they were struck.