19. So the singers, Heman, Asaph, and Ethan, were appointed to sound with cymbals of brass;
20. And Zechariah, and Aziel, and Shemiramoth, and Jehiel, and Unni, and Eliab, and Maaseiah, and Benaiah, with psalteries on Alamoth;
21. And Mattithiah, and Elipheleh, and Mikneiah, and Obed-edom, and Jeiel, and Azaziah, with harps on the Sheminith to excel.
22. And Chenaniah, chief of the Levites, was for song: he instructed about the song, because he was skilful.
23. And Berechiah and Elkanah were doorkeepers for the ark.