Numbers 10:8-10

Douay-Rheims 1899 American Edition

⁸ And the sons of Aaron the priest shall sound the trumpets: and this shall be an ordinance for ever in your generations.

⁹ If you go forth to war out of your land against the enemies that fight against you, you shall sound aloud with the trumpets, and there shall be a remembrance of you before the Lord your God, that you may be delivered out of the hands of your enemies.

¹⁰ If at any time you shall have a banquet, and on your festival days, and on the first days of your months, you shall sound the trumpets over the holocausts, and the sacrifices of peace offerings, that they may be to you for a remembrance of your God. I am the Lord your God.