2 Chronicles (Author Compiled by Isaiah and Ezra from records of Nathan, Gad, Iddo, Ahijah, Jehu and others.)
9:11And the king maketh the algum-trees staircases for the house of Jehovah, and for the house of the king, and harps and psalteries for singers; and there have been none seen like these before in the land of Judah.
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.