1 Chronicles 15:20-24

20and Zechariah, Aziel, Shemiramoth, Jehiel, Unni, Eliab, Maaseiah, and Benaiah, with harps tuned to 12alamoth; 21and Mattithiah, Eliphelehu, Mikneiah, Obed-edom, Jeiel, and Azaziah, to lead with 3lyres tuned to 4the sheminith. 22Chenaniah, chief of the Levites, was in charge of the singing; he gave instruction in singing because he was skillful. 23Berechiah and Elkanah were gatekeepers for the ark. 24Shebaniah, Joshaphat, Nethanel, Amasai, Zechariah, Benaiah, and Eliezer, the priests, 5blew the trumpets before the ark of God. Obed-edom and Jehiah also were gatekeepers for the ark.