I Chronicles 15:5, 8-10, 17-21

of the sons of Kohath, Uriel the chief, and one hundred and twenty of his brethren

of the sons of Elizaphan, Shemaiah the chief, and two hundred of his brethren; of the sons of Hebron, Eliel the chief, and eighty of his brethren; of the sons of Uzziel, Amminadab the chief, and one hundred and twelve of his brethren.

So the Levites appointed Heman the son of Joel; and of his brethren, Asaph the son of Berechiah; and of their brethren, the sons of Merari, Ethan the son of Kushaiah; and with them their brethren of the second rank: Zechariah, Ben, Jaaziel, Shemiramoth, Jehiel, Unni, Eliab, Benaiah, Maaseiah, Mattithiah, Elipheleh, Mikneiah, Obed-Edom, and Jeiel, the gatekeepers; the singers, Heman, Asaph, and Ethan, were to sound the cymbals of bronze; Zechariah, Aziel, Shemiramoth, Jehiel, Unni, Eliab, Maaseiah, and Benaiah, with strings according to Alamoth; Mattithiah, Elipheleh, Mikneiah, Obed-Edom, Jeiel, and Azaziah, to direct with harps on the Sheminith