When Yeshua rode into Jerusalem, the people cried ‘Hoshanna’ and wanted him to restore the Kingdom to Israel. However, some of the leaders wanted the disciples to reprimand the people for shouting. Yeshua responded: “I tell you that if they keep quiet, the stones will shout!”
The most familiar shabach is at the battle of Jericho. A loud shout or shabach brought the walls of the city down so the Israelites could enter the Promised Land.