2 Chronicles (Author Compiled by Isaiah and Ezra from records of Nathan, Gad, Iddo, Ahijah, Jehu and others.)
29:27And Hezekiah saith to cause the burnt-offering to ascend on the altar; and at the time the burnt-offering began -- began the song of Jehovah, and the trumpets, even by the hands of the instruments of David king of Israel.
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.