2 Chronicles (Author Compiled by Isaiah and Ezra from records of Nathan, Gad, Iddo, Ahijah, Jehu and others.)
29:30And king Hezekiah and the princes commanded the Levites to sing praise to Jehovah with the words of David, and of Asaph the seer. And they sang praises with gladness, and bowed their heads and worshipped.
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.