2 Chronicles (Author Compiled by Isaiah and Ezra from records of Nathan, Gad, Iddo, Ahijah, Jehu and others.)
20:21And 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.'
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.