2 Chronicles 20:22

22 And when they began to sing and praise, the LORD set an ambush against the men of Ammon, Moab, and Mount Se'ir, who had come against Judah, so that they were routed.

2 Chronicles 20:22 Meaning and Commentary

2 Chronicles 20:22

And when they began to sing and to praise
They sung more or less all the way they went, from the time they set out, but when they came nearer the enemy, they sung louder and louder: the Lord set ambushments against the children of Ammon, Moab, and Mount
Seir, which came against Judah;
some take them to be their own ambushments, which they set for the destruction of Judah; but the Lord turned them against their own confederates, mistaking them for Jews; so the Vulgate Latin version,

``the Lord turned their ambushments against themselves;''

or rather these were angels, who appeared in the form of the Edomites, and so fell upon the Ammonites and Moabites: and they were smitten;
by them, many of them were destroyed; hence it follows,

2 Chronicles 20:22 In-Context

20 And they rose early in the morning and went out into the wilderness of Teko'a; and as they went out, Jehosh'aphat stood and said, "Hear me, Judah and inhabitants of Jerusalem! Believe in the LORD your God, and you will be established; believe his prophets, and you will succeed."

21 And when he had taken counsel with the people, he appointed those who were to sing to the LORD and praise him in holy array, as they went before the army, and say, "Give thanks to the LORD, for his steadfast love endures for ever."

22 And when they began to sing and praise, the LORD set an ambush against the men of Ammon, Moab, and Mount Se'ir, who had come against Judah, so that they were routed.

23 For the men of Ammon and Moab rose against the inhabitants of Mount Se'ir, destroying them utterly, and when they had made an end of the inhabitants of Se'ir, they all helped to destroy one another.

24 When Judah came to the watchtower of the wilderness, they looked toward the multitude; and behold, they were dead bodies lying on the ground; none had escaped.