2 Chronicles 20:22

And when they began to sing and to praise, the LORD set ambushments against the children of Ammon, Moab, and mount Seir, which were come against Judah; and they were smitten. {And when...: Heb. And in the time that they, etc} {to sing...: Heb. in singing and praise} {they were...: or, they smote one another}