Second Book of Paralipomenon (Author Compiled by Isaias and Esdras from records of Nathan, Gad, Addo, Ahias, Jehu and others.)
34:12qui fideliter cuncta faciebant erant autem praepositi operantium Iaath et Abdias de filiis Merari Zaccharias et Mosollam de filiis Caath qui urguebant opus omnes Levitae scientes organis canere
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.