1 Chronicles 15:21-24

21and Mattithiah, Eliphelehu, Mikneiah, Obed-edom, Jeiel, and Azaziah were to lead with lyres set to Sheminith [that is, the eighth string, a low pitch].

22Chenaniah, leader of the Levites, was in charge of the singing; he gave instruction in singing because he was skilled.

23Berechiah and Elkanah were gatekeepers for the ark.

24Shebaniah, Joshaphat, Nethanel, Amasai, Zechariah, Benaiah, and Eliezer the priests blew the trumpets before the ark of God. Obed-edom and Jehiah (Jeiel) were also gatekeepers for the ark.