1 Chronicles (Author Compiled by Isaiah and Ezra from records of Nathan, Gad, Iddo, Ahijah, Jehu and others.)
6:32And they ministered before the tabernacle of the tent of meeting with singing, until Solomon had built the house of Jehovah in Jerusalem; and they attended to their office according to their order.
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.