Trumpet — God shall summon them altogether by sound of trumpet, by an eminent call of his providence. He alludes to the custom of calling the Israelites together with trumpets.
Related Commentaries of Isaiah 27:13
Isaiah 27:13
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.