Bible Verses About Trumpet used for Proclaiming Kings

Then they hasted, and took every man his garment, and put it under him on the top of the stairs, and blew with trumpets, saying, Jehu is king.

And when she looked, behold, the king stood by a pillar, as the manner was, and the princes and the trumpeters by the king, and all the people of the land rejoiced, and blew with trumpets: and Athaliah rent her clothes, and cried, Treason, Treason.