'Trumpet' in the Bible

“So whenever you give to the poor and do acts of kindness, do not blow a trumpet before you [to advertise it], as the hypocrites do [like actors acting out a role] in the synagogues and in the streets, so that they may be honored and recognized and praised by men. I assure you and most solemnly say to you, they [already] have their reward in full.

And He will send His angels with a loud trumpet and they will gather together His elect (God’s chosen ones) from the four winds, from one end of the heavens to the other.