King James Version (KJV) - 2 Chronicles 20:21 >

And when he had consulted with the people, he appointed singers unto the LORD, and that 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.

Jewish Publication Society of America Version (JPS1917) - 2 Chronicles 20:21 >

And when he had taken counsel with the people, he appointed them that should sing unto the LORD, and praise in the beauty of holiness, as they went out before the army, and say: 'Give thanks unto the LORD, for His mercy endureth for ever.'