Joel 2:1 - Blow ye the trumpet in Zion, and sound an alarm in my holy mountain: let all the inhabitants of the land tremble: for the day of the LORD cometh, for it is nigh at hand; (Verses like Joel 2:1)
Numbers 10:3-4 - And when they shall blow with them, all the assembly shall assemble themselves to thee at the door of the tabernacle of the congregation.And if they blow but with one trumpet, then the princes, which are heads of the thousands of Israel, shall gather themselves unto thee. (Verses like Numbers 10:3)