First Book of Paralipomenon (Author Compiled by Isaias and Esdras from records of Nathan, Gad, Addo, Ahias, Jehu and others.)
9:33These are the chief of the singing men of the families of the Levites, who dwelt in the chambers, by the temple, that they might serve continually day and night in their ministry.
Original from Project Gutenberg - Massive cleanup of OCR problems and editing done locally.