American Standard Version
And when he had taken counsel with the people, he appointed them that should sing unto Jehovah, and give praise in holy array, as they went out before the army, and say, Give thanks unto Jehovah; for his lovingkindness endureth for ever.

Berean Study Bible
Then Jehoshaphat consulted with the people and appointed those who would sing to the LORD and praise the splendor of His holiness. As they went out before the army, they were singing: “Give thanks to the LORD, for His loving devotion endures forever.”

Douay-Rheims Bible
And he gave counsel to the people, and appointed the singing men of the Lord, to praise him by their companies, and to go before the army, and with one voice to say: Give glory to the Lord, for his mercy endureth for ever.

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

King James Bible
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.

World English Bible
When he had taken counsel with the people, he appointed those who should sing to Yahweh, and give praise in holy array, as they went out before the army, and say, Give thanks to Yahweh; for his loving kindness endures forever.

Young's Literal Translation
And he taketh counsel with the people, and appointeth singers to Jehovah, and those giving praise to the honour of holiness, in the going out before the armed men, and saying, 'Give ye thanks to Jehovah, for to the age is His kindness.'

2 Chronicles 20:21 Additional Translations ...