2 Chronicles 20:22

22 And when they began to sing and to praise, the LORD set ambushes against the children of Ammon, Moab, and Mount Seir, who had come against Judah; and they were smitten.

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 forth into the Wilderness of Tekoa; and as they went forth, Jehoshaphat stood and said, "Hear me, O Judah, and ye inhabitants of Jerusalem: Believe in the LORD your God; so shall ye be established. Believe His prophets; so shall ye prosper."

21 And when he had consulted with the people, he appointed singers unto the LORD who should praise the beauty of holiness as they went out before the army, and to say, "Praise the LORD, for His mercy endureth for ever."

22 And when they began to sing and to praise, the LORD set ambushes against the children of Ammon, Moab, and Mount Seir, who had come against Judah; and they were smitten.

23 For the children of Ammon and Moab stood up against the inhabitants of Mount Seir utterly to slay and destroy them; and when they had made an end of the inhabitants of Seir, every one helped to destroy another.

24 And when Judah came toward the watchtower in the wilderness, they looked unto the multitude; and behold, they were dead bodies fallen to the earth, and none escaped.