1 Chronicles 16:6
and Benaiah and Jahaziel, priests, with trumpets; continually before the Ark of the covenant of God.
Numbers 10:8
And the sons of Aaron, the priests, shall blow the trumpets and shall have them and it shall be a law unto you forever and among your children after you.
2 Chronicles 5:12-13
the Levites with all those that were under Asaph, Heman and Jeduthun, and among their children and brethren, were arrayed in bysse and sang with cymbals, psalteries, and harps standing East from the altar, and with them a hundred and twenty priests blowing trumpets.
2 Chronicles 13:12
Moreover, see: God is with us in the forward; and his priests, and the roaring trumpets to cry alarm against you. Ye children of Israel, fight not with the LORD God of your fathers: for it will not prosper with you."
2 Chronicles 29:26-28
And so the Levites stood with the instruments of David, and the priests with trumpets.