'Trumpet blast' in the Bible

So it happened on the third day, when it was morning, that there were thunder and flashes of lightning, and a thick cloud was on the mountain, and a very loud blast was sounded on a ram’s horn, so that all the people who were in the camp trembled.

And it happened, as the blast of the ram’s horn grew louder and louder, Moses spoke and God answered him with [a voice of] thunder.

"Speak to the {Israelites}, saying, 'In the seventh month, on [the] first [day] of the month, {you must have} a rest period, a remembrance of [the trumpet] blast, a holy assembly.

Praise Him with trumpet blast;praise Him with harp and lyre.

“Therefore behold, the days are coming,” declares the Lord,“That I will cause a trumpet blast of war to be heardAgainst Rabbah of the sons of Ammon;And it will become a desolate heap,And her towns will be set on fire.Then Israel will take possession of his possessors,”Says the Lord.

a day of trumpet blast and battle cryagainst the fortified cities,and against the high corner towers.

And He will send out His angels with a loud trumpet-blast, and they will bring together His own People to Him from north, south, east and west--from one extremity of the world to the other.

For you have not come to a material object all ablaze with fire, and to gloom and darkness and storm and trumpet-blast and the sound of words--

and trumpet-blast, and a voice whose words made the hearers beg that not a word more should be added;