1 Chronicles 16:6
and the priests Benaiah and Jahaziel were to blow trumpets regularly before the ark of God's covenant.
Numbers 10:8
The sons of Aaron, the priests, must blow the trumpets; and they will be to you for an eternal ordinance throughout your generations.
2 Chronicles 5:12-13
All the Levites who were musicians, including Asaph, Heman, Jeduthun, and their sons and relatives, wore linen. They played cymbals and stringed instruments as they stood east of the altar. They were accompanied by 120 priests who blew trumpets.
2 Chronicles 13:12
Now look, God is with us as our leader. His priests are ready to blow the trumpets to signal the attack against you. You Israelites, don't fight against the Lord God of your ancestors, for you will not win!"
2 Chronicles 29:26-28
The Levites had David's musical instruments and the priests had trumpets.