1 Chronicles 16:41-42

and with them Heman and Jeduthun, and the rest that were chosen, who were mentioned by name, to give thanks to Jehovah, because his lovingkindness endureth for ever; and with them Heman and Jeduthun with trumpets and cymbals for those that should sound aloud, and with instruments for the songs of God; and the sons of Jeduthun to be at the gate.