First Book of Paralipomenon (Author Compiled by Isaias and Esdras from records of Nathan, Gad, Addo, Ahias, Jehu and others.)
15:16dixit quoque David principibus Levitarum ut constituerent de fratribus suis cantores in organis musicorum nablis videlicet et lyris et cymbalis ut resonaret in excelsum sonitus laetitiae
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.