"They have blown the trumpet, even to make all ready; but none goeth to the battle: for my wrath is upon all the multitude thereof" - Ezekiel 7:14 KJV

"Declare ye in Judah, and publish in Jerusalem; and say, Blow ye the trumpet in the land: cry, gather together, and say, Assemble yourselves, and let us go into the defenced cities" - Jeremiah 4:5 KJV

"And if ye go to war in your land against the enemy that oppresseth you, then ye shall blow an alarm with the trumpets; and ye shall be remembered before the LORD your God, and ye shall be saved from…

"And the men of Israel and of Judah arose, and shouted, and pursued the Philistines, until thou come to the valley, and to the gates of Ekron. And the wounded of the Philistines fell down by the way to Shaaraim,…

"Set ye up a standard in the land, blow the trumpet among the nations, prepare the nations against her, call together against her the kingdoms of Ararat, Minni, and Ashchenaz; appoint a captain against her; cause the horses to come…

"And he took a yoke of oxen, and hewed them in pieces, and sent them throughout all the coasts of Israel by the hands of messengers, saying, Whosoever cometh not forth after Saul and after Samuel, so shall it be…

"For the builders, every one had his sword girded by his side, and so builded. And he that sounded the trumpet was by me. And I said unto the nobles, and to the rulers, and to the rest of the…

"And Ehud escaped while they tarried, and passed beyond the quarries, and escaped unto Seirath. And it came to pass, when he was come, that he blew a trumpet in the mountain of Ephraim, and the children of Israel went…

"Then all the Midianites and the Amalekites and the children of the east were gathered together, and went over, and pitched in the valley of Jezreel. But the Spirit of the LORD came upon Gideon, and he blew a trumpet;…

"And Jonathan smote the garrison of the Philistines that was in Geba, and the Philistines heard of it. And Saul blew the trumpet throughout all the land, saying, Let the Hebrews hear. And all Israel heard say that Saul had…

"And it was so, when Gideon heard the telling of the dream, and the interpretation thereof, that he worshipped, and returned into the host of Israel, and said, Arise; for the LORD hath delivered into your hand the host of…

"For if the trumpet give an uncertain sound, who shall prepare himself to the battle" - 1 Corinthians 14:8 KJV