Numbers 10
2 Ref Make two silver horns of hammered work, to be used for getting the people together and to give the sign for the moving of the tents.
3 Ref When they are sounded, all the people are to come together to you at the door of the Tent of meeting.
4 Ref If only one of them is sounded, then the chiefs, the heads of the thousands of Israel, are to come to you.