Nehemiah 4:18

Each of the builders had his sword strapped around his waist while he was building, and the trumpeter was beside me.

Numbers 10:9

“When you enter into battle in your land against an adversary who is attacking you, sound short blasts on the trumpets, and you will be remembered before the Lord your God and be delivered from your enemies.

2 Chronicles 13:12-17

Look, God and His priests are with us at our head. The trumpets are ready to sound the charge against you. Israelites, don’t fight against the Lord God of your ancestors, for you will not succeed.”

Treasury of Scripture Knowledge

Summary

For the builders, every one had his sword girded by his side, and so builded. And he that sounded the trumpet was by me.

Bible References

He that sounded

Numbers 10:9
“When you enter into battle in your land against an adversary who is attacking you, sound short blasts on the trumpets, and you will be remembered before the Lord your God and be delivered from your enemies.
2 Chronicles 13:12
Look, God and His priests are with us at our head. The trumpets are ready to sound the charge against you. Israelites, don’t fight against the Lord God of your ancestors, for you will not succeed.”

General references

1 Corinthians 12:21
So the eye cannot say to the hand, “I don’t need you!” Or again, the head can’t say to the feet, “I don’t need you!”
1 Corinthians 14:8
In fact, if the trumpet makes an unclear sound, who will prepare for battle?

Holman Christian Standard Bible®, Copyright © 1999, 2000, 2002, 2003, 2009 by Holman Bible Publishers.