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 also to be guardians of the ark.
Preparation is here made for the bringing of the ark home to the city of David from the house of Obed-edom. It is here owned that in the former attempt, though it was a very good work and in it they sought God, yet they sought him, not after the due order, Ch1 15:13.
Commenting on 1 Chronicles 15:1-24
So David and the elders of Israel, and the captains over thousands,.... He and the principal men of the nation, and the officers of the army or militia: went to bring up the ark of the covenant of the Lord out of the house of Obededom with joy; with all demonstrations of it; for which purpose such a band of music was prepared, as before described.
And Shebaniah, and Jehoshaphat, and Nethaneel, and Amasai, and Zechariah, and Benaiah, and Eliezer, the priests, did blow with the trumpets before the ark of God: and Obededom and Jehiah [were] doorkeepers for the ark. (m) With Berechiah and Elkanah, .