Joshua 6:4

6:4 Have seven priests carry seven rams’ horns in front of the ark. On the seventh day march around the city seven times, while the priests blow the horns.

Joshua 6:16

6:16 The seventh time around, the priests blew the rams’ horns and Joshua told the army, “Give the battle cry, for the Lord is handing the city over to you!

Joshua 6:20

6:20 The rams’ horns sounded and when the army heard the signal, they gave a loud battle cry. The wall collapsed and the warriors charged straight ahead into the city and captured it.