Isaiah 27:13 And it shall come to pass in that day, that the great trumpet shall be blown, and they shall come which were ready to perish in the land of Assyria, and the outcasts in the land of Egypt, and shall worship the Lord in the holy mount at Jerusalem. 2 I MC VC

Hosea 8:1 Set the trumpet to thy mouth. He shall come as an eagle against the house of the Lord, because they have transgressed my covenant, and trespassed against my law. 4 I MC VC

1 Corinthians 14:8 For if the trumpet give an uncertain sound, who shall prepare himself to the battle? 9 I MC VC