The moment they began their shouts and praises, the LORD set ambushes against the men of Ammon, Moab, and Mount Seir who had come against Judah, and they were defeated.
Jewish Publication Society of America Version (JPS1917) - 2 Chronicles 20:22 >And when they began to sing and to praise, the LORD set liers-in-wait against the children of Ammon, Moab, and mount Seir, that were come against Judah; and they were smitten.