Joshua 6:8

8And just as Joshua had commanded the people, the seven priests bearing the seven trumpets of rams’ horns before the Lord went forward, blowing the trumpets, with the ark of the covenant of the Lord following them.

2 Chronicles 5:12

12and all the Levitical asingers, bAsaph, cHeman, and Jeduthun, their sons and kinsmen, arrayed in fine linen, with dcymbals, harps, and lyres, stood east of the altar with 120 epriests who were trumpeters;
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