The Feast of Trumpts does not have a lot of detail in the Bible. Numbers 29:1-2 says simply "'On the first day of the seventh month hold a sacred assembly and do no regular work. It is a day for you to sound the trumpets.” At a minimum, there should be trumpets in the sacred assembly.
As Judaism developed, they thought more and more about the need to make things right with people and with God. So as they heard the sound of the trumpet they were to consider their sins in the “days of awe” leading from the Feast of Trumpets to the Day of Atonement. As they greeted each other they said, “may your name be inscribed in the book.”
In the introduction to the service we saw the connection between the sounding of the trumpets and the praise of God and his kingship over the earth. Psalm 47 says “Clap your hands, all you nations; shout to God with cries of joy. 2 How awesome is the LORD Most High, the great King over all the earth! 3 He subdued nations under us, peoples under our feet. 4 He ch