17-21 From the clans of singers they chose the following men to play the brass cymbals: Heman son of Joel, his relative Asaph son of Berechiah, and Ethan son of Kushaiah, of the clan of Merari. To assist them they chose the following Levites to play the high-pitched harps: Zechariah, Jaaziel, Shemiramoth, Jehiel, Unni, Eliab, Maaseiah, and Benaiah.To play the low-pitched harps they chose the following Levites: Mattithiah, Eliphelehu, Mikneiah, Azaziah, and the temple guards, Obed Edom and Jeiel.