1CH 25:3

3 And the sons of Jeduthun were these; Gedaliah, Zeri, Jeshaiah, (Shimei), and Hashabiah, and Mattithiah, six; under the hand of their father Jeduthun, that prophesied in an harp, upon men acknowledging and praising the Lord, (or who prophesied to the accompaniment of a harp, giving thanks, and praising the Lord).