Shebaniah, Joshaphat, Nethanel, Amasai, Zechariah, Benaiah, and Eliezer, the priests, were to blow the trumpets before the ark of God. Obed-Edom and Jehiah were gatekeepers for the ark.
Moses sent them to the war, a thousand from each tribe, with Phinehas the son of Eleazar the priest, with the holy vessels and the trumpets to sound the alarm in his hand.