EJ&T: Numbers 10 - Two silver trumpets

In the Every Jot and Tittle project, I am listing all of the Bible's commandments from Genesis to Revelation, in accordance with Jesus's words in Matthew 5:18-19. I have no idea how many commandments I'll find, but Jewish tradition claims there are 613. See here for a list of those that I've found so far.

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Make two silver trumpets to call people to meetings.

And the LORD spake unto Moses, saying, Make thee two trumpets of silver; of a whole piece shalt thou make them: that thou mayest use them for the calling of the assembly. Numbers 10:1-2

Only the descendants of Aaron can blow the trumpets.

The sons of Aaron, the priests, shall blow with the trumpets; and they shall be to you for an ordinance for ever throughout your generations. Numbers 10:8

When you go to war, blow the trumpets to remind God to save you from your enemies.

And if ye go to war in your land against the enemy that oppresseth you, then ye shall blow an alarm with the trumpets; and ye shall be remembered before the LORD your God, and ye shall be saved from your enemies. Numbers 10:9

Blow the trumpets on solemn days, at the beginning of every month, and when you make burnt and peace offerings to remind you who God is.

Also in the day of your gladness, and in your solemn days, and in the beginnings of your months, ye shall blow with the trumpets over your burnt offerings, and over the sacrifices of your peace offerings; that they may be to you for a memorial before your God: I am the LORD your God. Numbers 10:10