Joshua 6:6

6:6 So Joshua son of Nun summoned the priests and instructed them, “Pick up the ark of the covenant, and seven priests must carry seven rams’ horns in front of the ark of the Lord.”

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.